ナショナルジオグラフィックのインスタグラム(natgeo) - 4月23日 23時07分

Photo by @jodicobbphoto
Because every day should be #earthday...
Piazza San Marco (St. Mark’s Place) in Venice during the seasonal flooding called Acqua Alta (high water). That iconic square is the lowest place in Venice, and becomes deceptively beautiful when flooded. Acqua Alta is caused by when seasonal rain, astronomical tides and strong winds combine to interfere with the water outflow from the lagoon. The first record of this phenomenon was in the year 782 and it has been documented ever since, with the record level in 1966 of 6.4 feet. Human activity has accelerated natural causes: subsidence (natural sinking of soil level) and rising sea levels. Taken on assignment for @ナショナルジオグラフィック on “Vanishing Venice.” For more images of the world and its people, follow me @jodicobbphoto. #earthday #Venice

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