Huanglong Scenic Area is a famous tourist site in china with unique scenery and rich natural resources. It is well-preserved and worth a visit. Huanglong is best known for its "Four wonders", namely, colored ponds, forest, canyon and snow-capped mountain. Except for the calcite deposition, other scenery in Huanglong is also fascinating. The waterfall is flying from a 10 meters long (in height) and 60 meters wide rock. Besides, Huanglong is a home of diverse forest ecosystems and endangered animals, including the giant panda and the Sichuan golden snub-nosed monkey.