Researcher Daria Gritsenko looks out toward the American island of Little Diomede, Alaska, near left, and behind it on the right, the Russian island of Big Diomede, as the Finnish icebreaker MSV Nordica sails along the international date line through the Bering Strait, Friday, July 14, 2017. The international date line divides the two islands, with Little Diomede sometimes referred to as Yesterday Isle and Big Diomede as Tomorrow Island. (AP Photo/David Goldman)
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