Radio Neutrino Observatory in Greenland (RNO-G) on Twitter: "Testing the gear 😍 we expect temperatures down to -40°C and rough winds. The station is located at 3200m above sea level. #arctic #expedition #
A member of John Fremont's expedition named Sorel is being left to die on February 6, 1849, as he is too weak to continue Stock Photo - Alamy