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Chocolate Hills: a geological treasure
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The Chocolate Hills are located on the island of Bohol in the southern Philippines (Southeast Asia). Extending over 56 km², these 1,776 hills form a great geological curiosity. At the end of the dry season, they change color from green to brown. Hence their name "chocolate hills". With a height of 30 to 50 meters, these geological formations were formed two million years ago due to movements of tectonic plates. Photo credit: Dorothea Oldani
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