Photo shows the landscape in Medog, southwest China's Tibet Autonomous Region. Located in the lower reaches of the Yarlung Zangbo river, Medog boasts of well-preserved environment and biodiversity. [Photo/China Tibet Online] 

Medog is dubbed the "secret lotus." It is quite different from other regions in Tibet in terms of both scenery and weather. Surrounded by mountains, it is humid and rich in resources.[Photo/China Tibet Online] 

Medog is dubbed the "secret lotus." It is quite different from other regions in Tibet in terms of both scenery and weather. Surrounded by mountains, it is humid and rich in resources.[Photo/China Tibet Online]

Medog is dubbed the "secret lotus." It is quite different from other regions in Tibet in terms of both scenery and weather. Surrounded by mountains, it is humid and rich in resources.[Photo/China Tibet Online]

Medog is dubbed the "secret lotus." It is quite different from other regions in Tibet in terms of both scenery and weather. Surrounded by mountains, it is humid and rich in resources.[Photo/China Tibet Online] 

Medog is dubbed the "secret lotus." It is quite different from other regions in Tibet in terms of both scenery and weather. Surrounded by mountains, it is humid and rich in resources.[Photo/China Tibet Online]

Medog is dubbed the "secret lotus." It is quite different from other regions in Tibet in terms of both scenery and weather. Surrounded by mountains, it is humid and rich in resources.[Photo/China Tibet Online]