World Heritage Sites that could disappear anytime
April 18 is World Heritage Day
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There are more than 1,000 UNESCO World Heritage Sites, about 830 of which are cultural. These are landmarks or areas that carry such strong cultural, historical, or scientific significance, that international treaties have been signed in efforts to protect them. However, more than 50 of them are currently endangered and, unless measures are put in place, could be ruined beyond repair, according to UNESCO's website.
Click through the gallery to see 15 of the world's most endangered cultural sites.
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