Most Complete Vertical Nature Zone

Green mountains in the midst of mists

Water ripples at the foot of the snow-covered mountain

Hot springs in Yumei

　　Because of the land and sea difference, particularly the heat difference resulted from the heat source of the Qinghai-Tibet Plateau, a tremendous Monsoon action is formed in this part of the Plateau. The Yarlung Zangbo Canyon right cuts through the topography barrier of the Himalayas and the Qinghai-Tibet Plateau and makes it become the largest moisture passage for the Indian Ocean Monsoon (with large amount of moisture) to enter the Plateau. The intensity of the moisture transportation is so huge that it is almost equal to the power of moisture transporting from the southern side of the Yangzi River towards the north in summer; which in turn, makes the tropical mountain area environment on the moisture passage move 6 latitudes towards the north and forms a large piece of green land in the southeast of Tibet as well as the 3rd largest forest only smaller than the Northeast forest and Yunnan forest in China. 60-70% of the living species of the Qinghai-Tibet Plateau live at the great canyon district and a most complete vertical natural zone, which integrates the freezing zone phenomena in the polar area and the tropical Monsoon rainforest in tropical low river valleys into one, also appears in this part of the Plateau. The high mountains nourished the marine glacier of a Monsoon nature; the riverbed in the valley forms four waterfall groups; and there is the most enriched water resource in unit section of the river in the world etc. All these are conditions that cannot be found with other famous canyons. 

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