DR RAY CLARK & MERVYN GOFF / SCIENCE PHOTO LIBRARY DR RAY CLARK & MERVYN GOFF / SCIENCE PHOTO LIBRARY
Thermograph of a couple sitting with outstretched arms. This image shows the distribution of heat across the body, with hot regions colour coded white through cooler regions green, red, purple, to cold black. The man's face, shoulder & arm register hot.
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