For a few days in July of 2012, it was so hot in the Arctic that nearly the entire surface of the Greenland ice sheet turned to slush https://on.natgeo.com/2rmcXbE

For a few days in July of 2012, it was so hot in the Arctic that nearly the entire surface of the Greenland ice sheet turned to slush https://on.natgeo.com/2rmcXbE 

https://twitter.com/NatGeoTravel/status/1071102344253898752