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A man seen by Russian artist Ivan Shishkin's At the Edge of the Pine Forest (1987) at a pre-sale exhibition by Sotheby's in Moscow, Russia, May 18, 2016. Alexander Kurov/TASS (Photo by Alexander Kurov\TASS via Getty Images)

A man seen by Russian artist Ivan Shishkin's At the Edge of the Pine Forest (1987) at a pre-sale exhibition by Sotheby's in Moscow, Russia, May 18, 2016. Alexander Kurov/TASS (Photo by Alexander Kurov\TASS via Getty Images)