Arctic sea ice, 北極海冰

This image provided by NASA shows Arctic sea ice at it maximum, the lowest on record. The winter maximum level of Arctic sea ice shrank to the smallest on record, thanks to extraordinarily warm temperatures, federal scientists said. The National Snow and Ice Data Center says sea ice spread to a maximum of 5.607 million square miles in 2016. That's 5,000 square miles less than the old record set in 2015, a difference slightly smaller than the state of Connecticut. (Photo by NASA via AP Photo)
The Day in Photos – March 29, 2016
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