In lush green alpine forests of Tibet visibility is very less.

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At a height of 8000 feet above sea level it is expected that lapse rate is going to apply. Also in the mountains of Tibet there is strong fog and misty. Visibility becomes an issue. The lush green alpine forests with pine, fir, cedar, deodar, rhododendron trees, create a canopy whereby it is difficult for sun rays to penetrate down. It is a very interesting scenario.