T-SERVICE / SCIENCE PHOTO LIBRARY T-SERVICE / SCIENCE PHOTO LIBRARY
Couple walking. Thermogram of a couple walking up steps outside in a housing estate. A thermogram shows variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits. The temperature scale is colour-coded and runs from black (coldest, around -10 degrees Celsius through blue, purple red and orange to light yellow (warmest, around 11 degrees Celsius).
Model release not required. Property release not required.