The original is a large fresh water swamp. The remains of shellfish have piles with calcium compounds are at coordinates.
The formation to become rock solid as long as the coast. Split into 3 major areas, each area, and the most famous is the
.Oyster Po-2 Cape cemetery or "shell cemetery 75 million years" looks about altitude 10 Lam head meters from sea level, the slopes to the Andaman Sea,
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