Thermal Camera shows how body loses heat in the cold 

📹 Oli Martin / BBC Earth 
 https://t.co/qF5jAbeW9D https://video.twimg.com/ext_tw_video/1858829048299868161/pu/vid/avc1/550x480/U0rPtk1Xp9bav0oK.mp4?tag=12