Water in layers
Jiuzhaigou's colour comes from a staircase of travertine barriers, fallen trees and clear water moving slowly from lake to lake.
Aba is a highland prefecture of deep valleys and Tibetan and Qiang villages. Jiuzhaigou and Huanglong are its best-known landscapes; Taoping shows a different, built response to the same mountains.
Jiuzhaigou's colour comes from a staircase of travertine barriers, fallen trees and clear water moving slowly from lake to lake.