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

Oversnow geophysical team of the British Antarctic Survey, Antarctica, Polar Regions

Land-based cetacean survey. Cetacean survey work by personnel of the Hebridean Whale and Dolphin Trust. Caliach Point, Isle of Mull, Scotland

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.

A technician uses a thermal imaging camera to check the thermal efficiency of a house, and where heat is lost from the house, United Kingdom, Europe

A technician uses a thermal imaging camera to check the thermal efficiency of a house, and where heat is lost from the house, United Kingdom, Europe

A technician uses a thermal imaging camera to check the thermal efficiency of a house, and where heat is lost from the house, United Kingdom, Europe

Facilities engineer in wheelchair inspecting outdoor bulk storage tanks