One of the top tourist attractions in the Philippines, The Chocolate
Hills are unusual geological formations that consists of at least 1,268
individual mounds scattered throughout the interior of the island of
Bohol. The almost symmetrical and same-sized formations range from 98 to
164 feet (30 to 50 meters) high and are covered in green grass. During
the dry season the grass turns brow, hence the name. There is no
consensus on how these giant mole hills were formed. One theory holds
that the Chocolate Hills are the weathered rock formations of a kind of
marine limestone on top of an impermeable layer of clay.
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