1178-4573 - Stop sign against sky

1178-4486 - USA, North Carolina, Outer Banks, Kill Devil Hills, no swimming sign

1178-4572 - Stop sign in remote area

911-10427 - A fire danger sign next to forest that has been burnt by a fire in the Tule river area of the Sequoia National Forest, east of Porterville, California, USA. California is in the grip of a four year long exceptional drought, that has made wild fires much more frequent, as well as wiping $2.2 Billion annually off the agricultural sector.

911-10276 - An extreme heat danger sign in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all.

911-10207 - A warning sign about the presence of Argentinian mines on the Falkands, left over from the 1980's Falklands conflict when Argentina invaded the islands.

911-10206 - A warning sign about the presence of Argentinian mines on the Falkands, left over from the 1980's Falklands conflict when Argentina invaded the islands.

911-10121 - Climbers on the arete leading up from the Vallee Blanche to the Aiguille Du Midi above Chamonix, France.

1178-129 - Low angle view of road sign

911-10123 - Climbers on the arete leading up from the Vallee Blanche to the Aiguille Du Midi above Chamonix, France.

1178-128 - Low angle view of road sign

911-10122 - Climbers on the arete leading up from the Vallee Blanche to the Aiguille Du Midi above Chamonix, France.

1178-1789 - No Climbing sign against hillside, USA, Colorado, Colorado Springs

1178-1817 - Beware snakes - warning sign, USA, South Dakota, Badlands National Park

911-10067 - A collapsed coastal road near Skipsea on Yorkshires East Coast, UK. The coast is composed of soft boulder clays, very vulnerable to coastal erosion. This sectiion of coast has been eroding since Roman times, with many villages having disappeared into the sea, and is the fastest eroding coast in Europe. Climate change is speeding up the erosion, with sea level rise, increased stormy weather and increased heavy rainfall events, all playing their part.

797-10937 - England, East Sussex, Beachy Head, Sign warning of cliff erosion.

857-86673 - A sign telling hikers to stay on the trail in Haleakala crater. Hiking off-trail leads to significant soil erosion in the delicate volcanic soils, Maui, Hawaii, United States of America

832-371738 - Sign, No swimming, beach closed, Manly Beach, North Sydney, New South Wales, NSW, Pacific Ocean, Australia

29-5338 - A flash flood in the wadi through the centre of town, Nizwa, Oman, Middle East

851-524 - MIND THE GAP sign on platform edge, London Underground, London, England, United Kingdom, Europe

832-348798 - Traffic sign, caution cattle crossing

832-337331 - Sign warns of slipping danger, water fountain in the background and modern windrose in Rorschach am Bodensee, St. Gallen, Switzerland

832-337615 - Fire Danger High Today, Mr. Smokey, Ocala Forest, Florida, USA

83-12741 - Tsunami zone warning sign on the south coast road near Cikalong, West Java, Java, Indonesia, Southeast Asia, Asia

832-326913 - Llama crossing sign, Sajama Volcano in the background, Altiplano, Oruro Department, Bolivia, South America

832-355723 - Information poster on Aids, HIV, Myanmar

832-323608 - Transshipment of containers at the container terminal in Dortmund, North Rhine-Westphalia, Germany

832-307088 - Highway at wintry road conditions, traffic jam on the higway

832-307085 - Highway at wintry road conditions, traffic jam on the higway

832-307087 - Highway at wintry road conditions, traffic jam on the higway

832-305373 - Danger sign, ticks, Bavaria, Germany

832-302047 - Road sign warning against encroaching sand dunes posted alongside the Wahiba Sands Desert, Ramlat al Wahaybah, Oman, Middle East

832-302528 - Warning sign Bear Country, Glacier National Park, Montana, United States of America

832-302994 - Wildlife crossing sign, dusk to dawn, Queensland, Australia

832-297820 - Warning sign moose crossing near Kuipio, Finland, Scandinavia, Europe

832-291252 - Moose, Elk crossing sign, Alaska, USA

832-290307 - Winter sportsmen using the closed stairway on own risk in Oberwiesenthal, Erzgebirge, Erz Ore Mountains, Saxony, Germany

832-287850 - Warning sign in front of a bridge, joke sign, Raesfeld, Muensterland, North Rhine-Westphalia, Germany, Europe

776-4274 - White Pass Railway, Skagway, Alaska, United States of America, North America

832-284509 - Warning signs for the steep Connor Pass, Dingle peninsula, Kerry, Ireland

832-361367 - Sign (Danger, poisoned baits in this area), Dampier Peninsula, Western Australia, WA, Australia

832-360996 - Brass sign in a vintage car advice Sie fahren auf Ihre eigene Gefahr und Risiko in diesem Wagen (driving at your own risk in this car)

832-361335 - Warning sign (Caution Road Trains), Western Australia, WA, Australia

832-361980 - Warning sign at the White Sands Beach in Kailua Kona, Hawaii USA

832-274329 - Sign "Gopher tortoise crossing", Myakka River State Park, Florida, USA

832-264431 - Marking labels for chemical compounds

832-258454 - Warning sign for sudden drop, Great Britain, Europe

832-254770 - Prohibition signs on a transmission line

832-252268 - Warning sign Bear Country

832-248821 - Smokey Bear on a High Fire Danger warning sign in the National Forest, Oregon, USA

832-243463 - Sign, Danger crocodiles, no swimming, zoo, Bristol, England, United Kingdom, Europe

832-237998 - Warning sign, methyl, toxic, highly flammable, at the fuel depot of the pharmaceutical company Boehringer Ingelheim GmbH, Ingelheim, Rhineland-Palatinate, Germany, Europe

832-234208 - Street sign, penguins crossing, South Island, New Zealand

1161-2291 - Pedestrians In Road Ahead warning sign by the road in Oxfordshire, United Kingdom

1161-1657 - Marine stingers warning sign on Myall Beach by Cape Tribulation, Queensland, Australia

1161-1372 - Wombat road warning sign, near Wollombi, Australia

1161-1658 - Marine stingers warning sign on Myall Beach by Cape Tribulation, Queensland, Australia

1161-1613 - Animals Crossing sign on Great Western Highway from Sydney, New South Wales, Australia

1161-2303 - Car passes Accompanied horses or ponies warning sign by roadside, Dorset, UK

1161-1612 - Animals Crossing sign on Great Western Highway from Sydney, New South Wales, Australia

832-227321 - The closed nuclear power plant in Muehlheim-Kaerlich on Rhine River, composing, symbolic picture, radioactivity warning sign

832-218866 - Roadside traffic sign, warning for sand dunes, Sharqiya Region, Sultanate of Oman, Arabia, Middle East

832-200526 - Panorama, kangaroo warning sign, Uluru, Ayers Rock at sunset, Uluru-Kata Tjuta National Park, Northern Territory, Australia

832-199258 - Warning label, "otters crossing", Kirkwall, Orkney Islands, Scotland, United Kingdom, Europe

832-199145 - Attention ducks crossing sign, Isle of Mull, Scotland, UK, Europe

832-190049 - Warning sign, deer, Trans Canada Highway, Revelstoke, British Columbia, Canada

832-190040 - Notice about grizzly bears, Revelstoke National Park, British Columbia, Canada

832-176631 - Crossing sign, saltire, at a level crossing, Landschaftspark Duisburg Nord landscape park, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

832-169107 - Roadside country fire gauge, Victoria, Australia

832-173333 - Warning signs in winter, road signs warning of danger of skidding on black ice, and snow on icy road in the forest, Tangstedt, Schleswig-Holstein, Germany, Europe

832-150882 - Warning sign for approaching trains, Germany, Europe

832-145250 - Electronic sign warning of traffic jams on the A40 motorway or Ruhrschnellweg, Essen, North Rhine-Westphalia, Germany, Europe

832-138973 - Rusty barrel with a radiation warning symbol and lettering "Laufzeit verlaengert", German for "extended runtime"

832-138971 - Rusty barrel with a radiation warning symbol

832-138978 - Wind vane, radioactivity warning sign, radioactive cloud, montage

832-130988 - Traffic sign, snow and rain warning, Caramanico Terme, SantíEufemia a Maiella, Majella National Park, Abruzzo, Italy, Europe

832-133398 - The Auschwitz concentration camp, Poland, Europe

832-136207 - A sign warns of high danger of fire in the Chisos Mountains of Big Bend National Park, Big Bend National Park, Texas, USA

832-136220 - Beware of poisonous snakes, sign at a rest stop on Interstate 90 at a hiking trail above the Missouri River, Chamberlain, South Dakota, USA

832-134372 - Warning sign, sheep crossing, County Wicklow, Ireland, Europe

832-136136 - A sign warns of an underground natural gas pipeline in Grandfalls, west Texas, USA

832-135163 - Road sign, Hamarsfjordur fjord, South coast, Iceland, Europe

832-136135 - A sign warns of an underground natural gas pipeline in Grandfalls, west Texas, USA

832-126051 - Warning sign warning of camels in desert, Essendilene, Algeria, Africa

832-128350 - Warning sign, Jungfraujoch, Bernese Oberland, Canton of Bern, Switzerland, Europe

832-118187 - Bright traffic sign, road works, route diversion, sign, rain, fog, bad weather, poor visibility, traffic, A 45 motorway, Sauerland area, North Rhine-Westphalia, Germany, Europe

832-123621 - Traffic sign 151, danger sign, unguarded railway crossing

832-122667 - Sign "Safe Dead Sea bathing", Kalia Beach, Dead Sea, Israel, Middle East, Southwest Asia

832-123631 - Danger sign, Raucher or smoker, composing

832-121561 - Passenger train passing a level crossing in winter, Grevenbroich, North Rhine-Westphalia, Germany, Europe

832-123630 - Danger sign, lit cigarette, composing

832-123569 - Sign with lamp in front of the river, floods on the Danube, Regensburg, Upper Palatinate, Bavaria, Germany, Europe

832-124091 - Warning sign for bears, Yellowstone National Park, Wyoming, United States of America, USA

832-123944 - Prohibition sign, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

832-123627 - Danger sign, EC or electronic cash ATM, composing

832-123997 - Prohibition sign, geothermal springs, geysers, Yellowstone National Park, Wyoming, United States of America, USA

832-121562 - Passenger train passing a level crossing in winter, Grevenbroich, North Rhine-Westphalia, Germany, Europe

832-110145 - Car on a snow-covered road in winter, slip hazard, warning sign, prohibition sign, blur

832-110144 - Car on a snow-covered road in winter, slip hazard, warning sign, prohibition sign, blur

832-107830 - Lifeguard watch tower on the Playa Tora beach with red flag and distinctive clouds, Peguera, Majorca, Balearic Islands, Spain, Europe