【正确答案】 Geological Discovery
Chinese scientists have discovered what may well be the largest, deepest and highest gorge in the world.
Called Yarlung Zangbo Gorge, this massive gorge extends more than 300 miles, through the Himalayas; to near Sino-Indian border. The average depth is about 7, 000 feet . . . Churning, fast flowing water, along with dense forests and steep cliffs, characterize this wild region.
Experts have termed this gorge one of the greatest geographic discoveries of the late 20th century , equal in scientific importance to America' s Grand Canyon.
On October 18th, a cross-disciplinary team of more than 50 researchers began the first-ever trek through this previously unknown territory.