1361-388 - The iron pyramid of Parallel 38, Fiumara d'Arte, Motta d'Affermo, Nebrodi mountains, Messina province, Sicily, Italy, Mediterranean, Europe

1361-387 - Aerial of the iron pyramid of Parallel 38 against the sea, Fiumara d'Arte, Motta d'Affermo, Nebrodi mountains, Messina province, Sicily, Italy, Mediterranean, Europe

832-400110 - White rhinoceros (Ceratotherium simum), two animals in parallel, Solio Ranch, Kenya, Africa

1174-11276 - The sun in a glowing orange sky, viewed between two pine tree trunks

1350-4221 - An old stone grist mill in the ancient town of Furong, China.

1178-36479 - Mixed Race woman balancing on parallel bars

1350-678 - The sponging mouthparts consist of a fleshy, elbowed labium, at the distal end of which are large, sponge-like organs called the labella (singular, labellum). The labella is a complex structure consisting of many grooves, called pseudotrachea, which sops up liquids much like a sponge does.

832-387970 - The Grey Glacier flows into Lake Grey, Torres del Paine National Park, Patagonia, Region de Magallanes y de la Antartica Chilena, Chile, South America

832-387969 - The wall of the Grey Glacier flows into Lake Grey, Torres del Paine National Park, Patagonia, Region de Magallanes y de la Antartica Chilena, Chile, South America

1116-48303 - The sun sets behind the hills with a paved highway road leading into the sunset, Iceland

1116-46824 - A close look at the detail of Brain coral (Platygyra sinensis) during the day with the its polyps closed, Yap, Federated States of Micronesia

1174-5132 - A leopard, Panthera pardus, walks parallel to a waterhole, looking away, front leg raised, green brown grass in background, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa

1174-5069 - Three leopards, Panthera pardus, walk simultaneously together, in parallel, looking away, brown yellow grass, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa

832-380408 - Plowed field, furrows, black earth, Upper Dinger Moos, Oberding, Upper Bavaria, Bavaria, Germany, Europe

857-91960 - Sea Kayaking in the Sognefjord, Norway.

1199-328 - Cuddesdon, Oxfordshire, England, United Kingdom, Europe

832-375783 - Rail track

971-60 - Lunge-feeding fin whale (Balaenoptera physalus) showing distended throat grooves, Northeast Atlantic, off Morocco, North Africa, Africa

832-302894 - Navajo Bridge, steel bridge going over the Colorado River, Marble Canyon, Navajo Indian Reservation, Arizona, USA, North America

832-298685 - Locomotives of Austrian Federal Railways in Mariazell Railway Station, Austria, Styria

832-298007 - White folders

832-288307 - Pedestrian refuge

832-283051 - Common Beech (Fagus sylvatica) beech groove, blurred

832-277596 - Temple of Juno Lacinia Agrigento Sicily Italy

832-277599 - Temple of Hercules Agrigento Sicily Italy

832-277609 - Temple E so-called temple of Hera Selinunte Sicily Italy

832-360150 - North Coyote Buttes, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA

832-360149 - The Wave, North Coyote Buttes, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA

832-360148 - The Wave, North Coyote Buttes, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA

832-360136 - Zion National Park, Utah, USA

832-245726 - Wood path in a wintry beech forest

832-242253 - Red bench next to a forest path in a summer green beech forest, way in the Kalkalpen National Park, Upper Austria, Europe

832-229965 - Beech forest (Fagus) with ramson field, blurred

832-229966 - Beech forest with a blossoming Ramson field (Allium ursinum), Germany, Europe

1161-1570 - Ayers Rock, Uluru, Red Centre, Australia

1161-1571 - Ayers Rock, Uluru, Red Centre, Australia

869-3361 - parallel rock formations on sea shore in tidal zone of sea bird's eye view outdoors La Rasa Mareal flysch cliffs Basque Country Spain Europe

869-3354 - parallel rock formations on sea shore in tidal zone of sea with sun at sunset sunrise in background contre-jour shot backlit outdoors La Rasa Mareal flysch cliffs Basque Country Spain Europe

869-3362 - parallel rock formations on sea shore in tidal zone of sea bird's eye view outdoors La Rasa Mareal flysch cliffs Basque Country Spain Europe

869-3363 - parallel rock formations on sea shore in tidal zone of sea top view outdoors La Rasa Mareal flysch cliffs Basque Country Spain Europe

869-3352 - parallel rock formations on sea shore in tidal zone of sea outdoors La Rasa Mareal flysch cliffs algae alga algal growth Basque Country Spain Europe

869-3353 - parallel rock formations on sea shore in tidal zone of sea with sun at sunset sunrise in background contre-jour shot backlit outdoors La Rasa Mareal flysch cliffs Basque Country Spain Europe

869-3364 - parallel rock formations on sea shore in tidal zone of sea top view outdoors La Rasa Mareal flysch cliffs Basque Country Spain Europe

869-3358 - parallel rock formations on sea shore in tidal zone of sea outdoors La Rasa Mareal flysch cliffs algae alga algal growth Basque Country Spain Europe

869-3357 - parallel rock formations on sea shore in tidal zone of sea outdoors La Rasa Mareal flysch cliffs algae alga algal growth Basque Country Spain Europe

832-176662 - Beech forest in Jasmund National Park, Isle of Ruegen, Mecklenburg-Western Pomerania, Germany, Europe

809-5400 - Baku boulevard, a promenade running parallel to the Caspian seafront, Baku, Azerbaijan, Central Asia, Asia

990-148 - Amazing closeup of a lunging Minke whale (Balaenoptera acutorostrata) feeding on krill. Some of these small euphausiids are still hanging on to the expanded grooves. St. Lawrence estuary, Canada

990-167 - A perfect oblique lunge of a Minke whale (Balaenoptera acutorostrata) surface feeding in the early evening. Its Grooves are expanded and water is purged out, two main characteristics of a feeding strike. St. Lawrence estuary, Canada

990-177 - Closeup of the expanded grooves of a giant Blue whale (Balaenoptera musculus) during a lateral lunge, a feeding strike occasionally seen in the St. Lawrence estuary, Canada.

990-168 - A dense net of blood vessels colour the belly of Minke whales (Balaenoptera acutorostrata) named Picasso pink during high feeding activity. St. Lawrence estuary, Canada

990-169 - Like a piece of art thousands of waterdrops cover the expanded belly of a Minke whale (Balaenoptera acutorostrata) performing a ventral arc. St. Lawrence estuary, Canada

990-149 - Closeup of a Minke whale (Balaenoptera acutorostrata) showing the beautiful pattern of parallel grooves near the tip of the snout. St. Lawrence estuary, Canada

832-174251 - Beech forest in fall, wiping effect

832-152916 - Beech tree (Fagus sylvatica) forest in autumnal colours

832-152915 - Beech tree (Fagus sylvatica) forest in autumnal colours with trail

832-146085 - Meandering stream with autumn foliage, Nonnenfliess Nature Reserve, Brandenburg, Germany, Europe

832-146078 - Stream in a beech forest in autumn in Nonnenfliess Nature Reserve near Eberswalde, Brandenburg, Germany, Europe

832-136780 - Forest path through a forest of Common Beeches (Fagus sylvatica) with Bluebells (Hyacinthoides), spring, Hallerbos, Brussels, Belgium, Europe

832-136781 - Forest path through a forest of Common Beeches (Fagus sylvatica) with Bluebells (Hyacinthoides), spring, Hallerbos, Brussels, Belgium, Europe

832-128564 - Autumn coloured beech forest in the Appenzeller Alps near Wasserauen, Canton of Appenzell Inner-Rhodes, Switzerland, Europe

832-126650 - Fog in a beech forest in the Harz, Saxony-Anhalt, Germany, Europe

832-126700 - Foggy beech forest in autumn, Harz mountain range, Saxony-Anhalt, Germany, Europe

832-127877 - Beech trees (Fagus sylvatica) in a woodland pasture, Germany, Europe

832-124481 - Coastal forest, Westrand Darss, Western Pomerania Lagoon Area National Park, Mecklenburg-Western Pomerania, Germany, Europe

832-104519 - Gravel beach near the adjacent Nienhaeger Holz nature reserve, also called the 'spook forest', Bad Doberan district, Mecklenburg-Western Pomerania, Germany, Europe

832-106396 - Forest with bluebells, Hallerbos, Hall, Flanders, Belgium, Europe

832-104525 - In the 'spook forest' near Nienhagen, Bad Doberan district, Mecklenburg-Western Pomerania, Germany, Europe

832-104518 - Coast near Nienhagen with the adjacent Nienhaeger Holz nature reserve, also called the 'spook forest', Bad Doberan district, Mecklenburg-Western Pomerania, Germany, Europe

832-104524 - Beeches (Fagus sylvatica) at the steep coast near Nienhagen, deformed by the onshore wind, Bad Doberan district, Mecklenburg-Western Pomerania, Germany, Europe

832-97661 - Fog in the Seilerwald forest, Iserlohn, Sauerland area, North Rhine-Westphalia, Germany, Europe

832-87816 - Fog in the Seilerwald forest, Iserlohn, Sauerland area, North Rhine-Westphalia, Germany, Europe

1108-12 - Puffin with gaping beak showing almost parallel articulation, Wales, United Kingdom, Europe

832-83088 - Beech forest in Jasmund National Park, Ruegen, Mecklenburg-Western Pomerania, Germany, Europe

832-52447 - Lady-fern (Athyrium) growing between the moss-covered trunk of an old Beech (Fagus) tree, ancient forest of Sababurg, Hesse, Germany, Europe

832-39250 - Aerial view, Diemelsee Nature Park, national park, beech forests, UNESCO World Heritage Site, Willingen Upland, Sauerland, Waldecker Land, Hesse, Germany, Europe

832-39252 - Aerial view, Diemelsee Nature Park, national park, beech forests, UNESCO World Heritage Site, Willingen Upland, Sauerland, Waldecker Land, Hesse, Germany, Europe

1113-39788 - Aerial photo, rows of apple trees in blossom, tractor spraying, Lower Saxony, Germany

1113-43683 - Portrait of a mouflon, Argali, Ovis ammon, Bavaria, Germany, Europe

1113-39971 - Aerial view of farm track parallel to trees, ploughmans furrows, patterns in the field, Lower Saxony, Germany

1113-23088 - Gymnast on parallel bars at Lummus Park, South Beach, Miami Beach, Florida, USA

1116-3748 - Trams In Scarborough, North Yorkshire, England

857-67743 - High angle view of empty parallel electric railroad tracks, California

832-35310 - Winter beech forest in Planavy, Bile Karpaty, White Carpathian Mountains, protected landscape area, Moravia, Czech Republic, Europe

832-35311 - Winter beech forest, Javorina national wilderness area, Bile Karpaty, White Carpathian Mountains, protected landscape area, Moravia, Czech Republic, Europe

906-9 - Sperm whale (Physeter macrocephalus) "logging" behaviour, this parallel position is achieved after socialising at the surface. Endangered, Kythira Sea, Greece.

906-11 - Sperm whale (Physeter macrocephalus) in a social unit positioning themselves in a parallel formation known as "logging". Resting after socailising. Endangered, Ionian Sea, Greece.

1074-10 - Minke whale ( Balaenoptera acutorostrata) spy hopping, showing throat grooves. Slender rostrum typical of minke whales. Husavik, Iceland

1036-133 - Minke whale (Balaenoptera acutorostrata) lunge feeding showing throat grooves, Iceland

1036-139 - Fin whale (Balaenoptera physalus) showing throat grooves during a feeding lunge at the surface. Cape Cod, USA.

1036-128 - Minke whale (Balaenoptera acutorostrata) lunge feeding at surface showing throat grooves, Husavik, Iceland

921-791 - Whalebone Alley grand vista, female tourist standing on cliff face, Itygran Island (Bering Sea) Russia, Asia. MORE INFO: Whale Bone Alley was discovered by Soviet archaeologists in 1976, but has remained untouched since and little is known of this place. There is a long double line of bowhead whale bones -- jaws and ribs -- running parallel along the shore for hundreds of yards. Many of the bones, especially the enormous jaw bones, are still standing, propped up by lichen-covered rocks. The location is thought to have been used in about 1300 as a ceremonial site, for a men's secret society or feasting site.

921-701 - Whalebone Alley, Bowhead whale bone, Itygran Island (Bering Sea) Russia, Asia. MORE INFO: Whale Bone Alley was discovered by Soviet archaeologists in 1976, but has remained untouched since and little is known of this place. There is a long double line of bowhead whale bones -- jaws and ribs -- running parallel along the shore for hundreds of yards. Many of the bones, especially the enormous jaw bones, are still standing, propped up by lichen-covered rocks. The location is thought to have been used in about 1300 as a ceremonial site, for a men's secret society or feasting site.

921-703 - Whalebone Alley, Bowhead whale bones, Itygran Island (Bering Sea) Russia, Asia. MORE INFO: Whale Bone Alley was discovered by Soviet archaeologists in 1976, but has remained untouched since and little is known of this place. There is a long double line of bowhead whale bones -- jaws and ribs -- running parallel along the shore for hundreds of yards. Many of the bones, especially the enormous jaw bones, are still standing, propped up by lichen-covered rocks. The location is thought to have been used in about 1300 as a ceremonial site, for a men's secret society or feasting site.

921-699 - Whalebone Alley grand vista, female tourist standing on cliff face, Itygran Island (Bering Sea) Russia, Asia. MORE INFO: Whale Bone Alley was discovered by Soviet archaeologists in 1976, but has remained untouched since and little is known of this place. There is a long double line of bowhead whale bones -- jaws and ribs -- running parallel along the shore for hundreds of yards. Many of the bones, especially the enormous jaw bones, are still standing, propped up by lichen-covered rocks. The location is thought to have been used in about 1300 as a ceremonial site, for a men's secret society or feasting site.

921-702 - Whalebone Alley, female tourist sitting on bowhead whale bone, Itygran Island (Bering Sea) Russia, Asia. MORE INFO: Whale Bone Alley was discovered by Soviet archaeologists in 1976, but has remained untouched since and little is known of this place. There is a long double line of bowhead whale bones -- jaws and ribs -- running parallel along the shore for hundreds of yards. Many of the bones, especially the enormous jaw bones, are still standing, propped up by lichen-covered rocks. The location is thought to have been used in about 1300 as a ceremonial site, for a men's secret society or feasting site.

921-700 - Whalebone Alley, female tourist standing around still intact extremly old inuit elder grave, skeleton still present. Itygran Island (Bering Sea) Russia, Asia. MORE INFO: Whale Bone Alley was discovered by Soviet archaeologists in 1976, but has remained untouched since and little is known of this place. There is a long double line of bowhead whale bones -- jaws and ribs -- running parallel along the shore for hundreds of yards. Many of the bones, especially the enormous jaw bones, are still standing, propped up by lichen-covered rocks. The location is thought to have been used in about 1300 as a ceremonial site, for a men's secret society or feasting site.

985-21 - Minke whale (Balaenoptera acutorostrata) lunge feeding at surface showing pink throat grooves. Olafsvik Iceland

921-704 - Whalebone Alley, female tourist standing between bow head whale rib bones, Itygran Island (Bering Sea) Russia, Asia. MORE INFO: Whale Bone Alley was discovered by Soviet archaeologists in 1976, but has remained untouched since and little is known of this place. There is a long double line of bowhead whale bones -- jaws and ribs -- running parallel along the shore for hundreds of yards. Many of the bones, especially the enormous jaw bones, are still standing, propped up by lichen-covered rocks. The location is thought to have been used in about 1300 as a ceremonial site, for a men's secret society or feasting site.

921-810 - Whalebone Alley grand vista, high altitude flora, Itygran Island (Bering Sea) Russia, Asia. MORE INFO: Whale Bone Alley was discovered by Soviet archaeologists in 1976, but has remained untouched since and little is known of this place. There is a long double line of bowhead whale bones -- jaws and ribs -- running parallel along the shore for hundreds of yards. Many of the bones, especially the enormous jaw bones, are still standing, propped up by lichen-covered rocks. The location is thought to have been used in about 1300 as a ceremonial site, for a men's secret society or feasting site.