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Tourists visit the Blue Cave on Bisevo Island, Croatia, on July 30, 2019. The Blue Cave is famous for the mesmerizing blue light filling the space at a certain time of day. (Dalibor Urukalovic/Pixsell via Xinhua)
Tourists visit Blue Cave on Bisevo Island, Croatia
Source: Xinhua| 2019-07-31 09:28:44|Editor: Yurou
