759-10900 - School of Pacific Cownose Ray, Rhinoptera steindachneri, Cabo Pulmo Marine National Park, Baja California Sur, Mexico

759-10899 - School of Pacific Cownose Ray, Rhinoptera steindachneri, Cabo Pulmo Marine National Park, Baja California Sur, Mexico

759-10898 - School of Pacific Cownose Ray, Rhinoptera steindachneri, Cabo Pulmo Marine National Park, Baja California Sur, Mexico

759-10897 - School of Pacific Cownose Ray, Rhinoptera steindachneri, Cabo Pulmo Marine National Park, Baja California Sur, Mexico

1116-52320 - Male Student In Chemistry Class

1116-52321 - Girl Student In Chemistry Class

1350-6278 - A diver admires in awe a big aggregation of jack fishes in the waters of Cabo Pulmo Marine National Park, where marine biomass has increased exponentially since the marine park was established, Baja California Sur, Mexico

1350-5892 - National Afghan Army (ANA) trainingschool in Kabul.

1350-5890 - National Afghan Army (ANA) trainingschool in Kabul.

1350-5891 - National Afghan Army (ANA) trainingschool in Kabul.

1350-5889 - National Afghan Army (ANA) trainingschool in Kabul.

1350-5895 - Afghan National Army being trained by ISAF in the trainingcentre in Tarin Kowt, Uruzgan.

832-390849 - Greater flamingos (Phoenicopterus roseus) in flight, pink flamingos in front of the setting sun over a lake, Donana National Park, Huelva Province, Andalusia, Spain, Europe

832-389275 - Grey reef shark (Carcharhinus amblyrhynchos) ...swimming in a shoal... Redtoothed triggerfish (Odonus niger) Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

832-389277 - Swarm Blackfin barracuda (Sphyraena qenie) Barracuda swimming in the open sea, Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

832-389276 - Swarm of spiny mackerel (Caranx sexfasciatus) swimming in the open sea, Andaman Sea, Mu Ko Similan National Park, Similan Islands, Phang Nga Province, Thailand, Asia

832-384526 - Flamingos (Phoenicopteriformes) standing in shallow water, Amboseli National Park, Kenya, Africa

832-383643 - Common cranes (Grus grus), swarm of birds flies at sunset, Western Pomerania Lagoon Area National Park, Mecklenburg-Western Pomerania, Germany, Europe

1116-39666 - Girls learning to surf at Cox Bay Beach, Pacific Rim National Park, Vancouver Island, Tofino, British Columbia, Canada

1112-3232 - A school of striped catfish (Plotosus lineatus) on Sebayur Island, Komodo National Park, Flores Sea, Indonesia, Southeast Asia, Asia

1112-3226 - A school of razorfish (Aeoliscus strigatus), suspended upside down on Sebayur Island, Komodo National Park, Flores Sea, Indonesia, Southeast Asia, Asia

1112-3228 - A school of razorfish (Aeoliscus strigatus), suspended upside down on Sebayur Island, Komodo National Park, Flores Sea, Indonesia, Southeast Asia, Asia

1211-85 - Agnes Mbvoyire, VSO national volunteer working alongside Filipino volunteer Rhea Villarico to improve standards of teaching in nursery schools in eastern Rwanda, Africa

1211-86 - Agnes Mbvoyire, VSO national volunteer working alongside Filipino volunteer Rhea Villarico to improve standards of teaching in nursery schools in eastern Rwanda, Africa

1211-50 - Agnes Mbvoyire, VSO national volunteer working alongside Filipino volunteer Rhea Villarico to improve standards of teaching in nursery schools in eastern Rwanda, Africa

1188-689 - The school of computer engineering at the National University of Singapore (NUS), Singapore, Southeast Asia, Asia

1184-116 - Primary school on a dusty street with many children, Liwonde National Park, Malawi, Africa

1184-117 - Primary school on a dusty street with many children, Liwonde National Park, Malawi, Africa

797-11771 - Greece, Attica, Athens, University of Athens.

797-11169 - Uganda, Kabarole District, Fort Portal Teacher Training College Student teacher sat at a PC reading a National Newspaper

1112-2259 - A school of bigeye trevally (Caranx sexfasciatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2252 - A profusion of coral and reef fish on Batu Bolong, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2277 - A school of batfish (Platax orbicularis) on Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2263 - Humbug Dascyllus (Dascyllus aruanus), in stag horn coral head on Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2258 - A school of bigeye trevally (Caranx sexfasciatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2260 - A school of bigeye trevally (Caranx sexfasciatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2257 - A school of bigeye trevally (Caranx sexfasciatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2256 - A school of bigeye trevally (Caranx sexfasciatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2247 - A school of razorfish (Aeoliscus strigatus), head down posture on the house reef at Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2248 - A school of razorfish (Aeoliscus strigatus), head down posture at night on Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2262 - A school of bigeye trevally (Caranx sexfasciatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2250 - A profusion of coral and reef fish on Batu Bolong, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2261 - A school of bigeye trevally (Caranx sexfasciatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2276 - A school of batfish (Platax orbicularis) on Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2254 - A profusion of coral and reef fish on Batu Bolong, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2249 - A school of razorfish (Aeoliscus strigatus), head down posture on the house reef at Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2271 - Checkerboard wrasse (Halichoeres hortulanus), Batu Bolong Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2251 - A profusion of coral and reef fish on Batu Bolong, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1112-2253 - A profusion of coral and reef fish on Batu Bolong, Komodo Island National Park, Indonesia, Southeast Asia, Asia

1113-97551 - School of Pacific Cownose Ray, Rhinoptera steindachneri, Cabo Pulmo Marine National Park, Baja California Sur, Mexico

1113-97550 - School of Pacific Cownose Ray, Rhinoptera steindachneri, Cabo Pulmo Marine National Park, Baja California Sur, Mexico

974-433 - Lyretail anthias (Pseudanthias squamipinnis), school over mountain coral, reef, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

974-429 - Common bigeye (Priacanthus hamrur), sheltering next to coral reef, Ras Mohammed National Park, Red Sea, Egypt, North Africa, Africa

974-430 - Tropical coral reef scene with a leafy cup coral (salad coral) (Turbinaria reniformi), Ras Mohammed National Park, off Sharm el Sheikh, Sinai, Egypt, Red Sea, Egypt, North Africa, Africa

801-1339 - Fruita Schoolhouse dating from 1896, Capitol Reef National Park, Utah, United States of America, North America

832-345164 - Wooden targets used by the Belgian army, former NS-Ordensburg Vogelsang (National Socialist estate), Eifel, North Rhine-Westphalia, Germany, Europe

832-345163 - Staircase, former NS-Ordensburg Vogelsang (National Socialist estate), Eifel, North Rhine-Westphalia, Germany, Europe

832-320689 - Tower of the National University of Music, Stuttgart, Baden-Wuerttemberg, Germany, Europe

832-307981 - State University of Music and Performing Arts at night, House of History, Stuttgart, Baden-Wuerttemberg, Germany, Europe

832-307980 - State University of Music and Performing Arts at night, House of History, Stuttgart, Baden-Wuerttemberg, Germany, Europe

832-287426 - University of San Jose, California, United States, America

832-265753 - The University of East London Campus on the banks of The Old Royal Docks, London, United Kingdom, Europe

832-265749 - The University of East London Campus on the banks of The Old Royal Docks, London, United Kingdom, Europe

832-265748 - The University of East London Campus on the banks of The Old Royal Docks, London, United Kingdom, Europe

832-220631 - School children paying homage to Mustapha Kemal Atatuerk, Didyma, Turkey

832-217116 - National Library with statue of Father Vallianos, who financed the construction of Athens, Greece, Europe

869-4157 - black-striped salema A diver photographer passes through a school of salema endemic Galapagos Islands Equador

832-165895 - John Harvard statue, Harvard University Yard, Cambridge, Boston, Massachusetts, New England, USA

832-98381 - Monument to national war hero Captain Arturo Prat Chacon, English school, Chilean Flag, square, Iquique, Norte Grande region, Northern Chile, Chile, South America

832-70940 - El Capitolio or National Capitol Building, home of the Cuban Academy of Sciences, at dawn, Havana, Cuba, Caribbean

832-70948 - Vintage car in front of El Capitolio or National Capitol Building, home of the Cuban Academy of Sciences, Havana, Cuba, Caribbean

832-48209 - Black and white image, sepia, statue of the scientist Joseph Henry in front of the Smithsonian Institution Building, admin building and museum, commonly known as "The Castle", National Mall, Washington DC, District of Columbia, United States of America, P

974-238 - Shoal of Red Sea raccoon butterflyfish (Chaetodon fasciatus), Ras Mohammed National Park, off Sharm el Sheikh, Sinai, Egypt, Red Sea, Egypt, North Africa, Africa

974-234 - Hard coral and tropical reef scene, Ras Mohammed National Park, off Sharm el Sheikh, Sinai, Egypt, Red Sea, North Africa, Africa

974-235 - Tropical coral reef scene with a leafy cup coral (salad coral) (Turbinaria reniformi), Ras Mohammed National Park, off Sharm el Sheikh, Sinai, Egypt, Red Sea, Egypt, North Africa, Africa

857-53460 - A young woman prepares to vote for presidential and provincial candidates in national elections, Sultan Razia Girls High School, Mazar-i Sharif, Afghanistan on August 20, 2009.

857-15523 - Cindy Fairchild, of Aurora, Colo., prays below a six-foot cross in honor of Columbine shooter Dylan Klebold at Robert F. Clement Park in Littleton. Fifteen identical crosses were planted on a hill in the park, one for each victim of the shootings at Columbine High, including shooters Eric Harris and Dylan Klebold.

920-1765 - School of chubs (Kyphosus sp.), Ilha do Meio, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil, South America

920-2506 - School of smallmouth grunts (Haemulon chrysargyreum), Ilha do Meio, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil, South America

920-2504 - School of smallmouth grunts (Haemulon chrysargyreum), Ilha do Meio, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil, South America

920-1762 - School of smallmouth grunts (Haemulon chrysargyreum), Ressurreta, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil, South America

920-1763 - School of smallmouth grunts (Haemulon chrysargyreum) in Sancho's Beach, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil, South America

920-2503 - School of black margrates (Anisotremus surinamensis), Ilha do Meio, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil, South America

920-2490 - School of chubs (Kyphosus sp.), Ilha do meio, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil, South America

989-36 - European Chub (Squalius or Leuciscus cephalus) shoal in the clear water of Plitvice Lakes National Park, Croatia. MORE INFO: Chub traditionally inhabit more lowland waters in Croatia, but they have proliferated since being introduced to Plitvice Lakes, which are warmer than in the past due to climate change, and they have reduced native trout populations considerably by predating their eggs.

817-319095 - Sunday school, Gaborone National Museum, Botswana

797-7680 - Ireland, County Tyrone, Omagh, Ulster American Folk Park, Castletown National School 1845

817-146334 - Steelhead trout (Oncorhynchus mykiss) migrating, North Umpqua River, Umpqua National Forest, Oregon, USA

822-69 - Former Taisha Period Kaichi School, listed as a National Important Cultural Property, in Matsumoto, Japan, Asia

483-1229 - School children, Lake Nakuru National Park, Kenya, East Africa, Africa

483-1228 - School children, Lake Nakuru National Park, Kenya, East Africa, Africa

759-1941 - Schooling snapper and scuba diver, Lutjanus sp., Costa Rica, Cocos Island, South america, Latin america

759-1940 - Schooling snapper and scuba diver, Lutjanus sp., Costa Rica, Cocos Island, South america, Latin america