Situated in the lower reaches of the Yarlung Zangbo River and covering an area of 31,395 square kilometers, the Metok County has an average altitude of 1,200 meters in Nyingchi City, southwest China's Tibet Autonomous Region. Since its climate is mild with plenty of rain, it has the best-preserved ecological system. Tourists could enjoy the rich natural landscapes from alpine frigid zone to tropical forest in Metok. [Photo/Baidu]

Situated in the lower reaches of the Yarlung Zangbo River and covering an area of 31,395 square kilometers, the Metok County has an average altitude of 1,200 meters in Nyingchi City, southwest China's Tibet Autonomous Region. Since its climate is mild with plenty of rain, it has the best-preserved ecological system. Tourists could enjoy the rich natural landscapes from alpine frigid zone to tropical forest in Metok. [Photo/Baidu]

Situated in the lower reaches of the Yarlung Zangbo River and covering an area of 31,395 square kilometers, the Metok County has an average altitude of 1,200 meters in Nyingchi City, southwest China's Tibet Autonomous Region. Since its climate is mild with plenty of rain, it has the best-preserved ecological system. Tourists could enjoy the rich natural landscapes from alpine frigid zone to tropical forest in Metok. [Photo/Baidu]

Situated in the lower reaches of the Yarlung Zangbo River and covering an area of 31,395 square kilometers, the Metok County has an average altitude of 1,200 meters in Nyingchi City, southwest China's Tibet Autonomous Region. Since its climate is mild with plenty of rain, it has the best-preserved ecological system. Tourists could enjoy the rich natural landscapes from alpine frigid zone to tropical forest in Metok. [Photo/Baidu]

Situated in the lower reaches of the Yarlung Zangbo River and covering an area of 31,395 square kilometers, the Metok County has an average altitude of 1,200 meters in Nyingchi City, southwest China's Tibet Autonomous Region. Since its climate is mild with plenty of rain, it has the best-preserved ecological system. Tourists could enjoy the rich natural landscapes from alpine frigid zone to tropical forest in Metok. [Photo/Baidu]

Situated in the lower reaches of the Yarlung Zangbo River and covering an area of 31,395 square kilometers, the Metok County has an average altitude of 1,200 meters in Nyingchi City, southwest China's Tibet Autonomous Region. Since its climate is mild with plenty of rain, it has the best-preserved ecological system. Tourists could enjoy the rich natural landscapes from alpine frigid zone to tropical forest in Metok. [Photo/Baidu]