One of the greatest geologically interest is the extensive calcite deposition that has taken place.
These are extensive slopes of active limestone deposition, covered entirely by a thin layer of flowing water.
Huanglong has been noted since ancient times.
A pair of small stone pagodas is found in the Yuya ponds at the head of Huanglong Valley.
There are many legends associated with various natural features in the area.
Sources:Wikipedia,UNESCO,Travel China Guide,China Trekking
