1. the only places twice been honored as world natural heritage and became one of seven natural wonders of the world.With an area of 1,553 km2 including 1,969 islands along the sea, Halong Bay contain many values, international, worldwide featured in it is landscape and geology, geomorphology value has been twice honored by UNESCO as world natural heritage.Eternal beauty, greatness of Halong is made up of three elements: Rock, water and sky. This is a privilege of nature for Halong which don't yet have the water in the world.With the unique value that, Ha Long Bay has surpassed more than 400 wonders from more than 200 countries and territories, the Top seven new natural wonders of the world.
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