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A tourist takes photos of Whitehaven Beach in the Whitsunday Islands, part of the Great Barrier Reef, Australia, on Feb. 10, 2018. (Xinhua/Justin Qian)

A tourist takes photos of Whitehaven Beach in the Whitsunday Islands, part of the Great Barrier Reef, Australia, on Feb. 10, 2018. (Xinhua/Justin Qian)