The 496.3-meter-long Yarlung Zangbo Grand Canyon has an average depth of 5,000 meters, but drops in places to 5,382 meters. Since these figures came to light, world geography textbooks have had to be rewritten; Yarlung Zangbo Grand Canyon is the world's deepest, longest, highest and most dangerous one. In the past, the 5,133-meter-deep Grand Canyon of the Colorado was considered to be the deepest. The Yarlung Zangbo Grand Canyon stretching in the lower reaches of the Yarlung Zangbo River occupies an area of 64,300 square kilometers. The Yarlung Zangbo River - the world highest river makes a turn round the highest peak of the east Tibet, thus forming the largest canyon of the world.The Yarlung Zangbo Grand Canyon is the only water channel from the Qinghai-Tibet Plateau to the Indian Ocean. The Canyon, with its unique right-angle turn, provides many fantastic natural views. The Yarlung...