Surveyor at work, Temple of Panels (Templo de los Tableros Esculpidos), Mayan ruins, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

Surveyor at work at the Forest of Stone Tablets, Xian, China

Surveying the floodwater caused by sea water incursion due to global warming induced sea level rise that threatens the future of these low lying islands, Funafuti Atoll, Tuvalu, Pacific

Tony Cooper a volunteer bird surveyor for the British Trust for Ornithology. Survey work undertaken over many years in the UK of birds has revealed birds reacting to climate change by changing range or starting to breed earlier.

Split image of pristine coral reef, surveyor and island, Rongelap, Marshall Islands, Micronesia, Pacific

Tony Cooper a volunteer bird surveyor for the British Trust for Ornithology, United Kingdom, Europe

A surveyor working on a construction project in Dubai, United Arab Emirates, Middle East

A surveyor working on a construction project in Dubai, United Arab Emirates, Middle East

A surveyor working on a construction project in Dubai, United Arab Emirates, Middle East

Tony Cooper a volunteer bird surveyor for the British Trust for Ornithology, United Kingdom, Europe

Surveyors on the dam at Lake Emerson on the French Swiss border to generate hydro electricity, France, Europe

A surveyor working on a construction project in Dubai, United Arab Emirates, Middle East

A surveyor working on a construction project in Dubai, United Arab Emirates, Middle East

Mars Global Surveyor