Mystery Unveiled; Discovery of the Deepest Canyon in the World——A visit to Yang Yichou, a Chinese Geographer

The 5,328-meters deep,the grandgorge on the Yarlung Zangbo River was forthe first time identified as the deepest gorgeon the earth by our scientists.From then onGrand Canyon of Colorado,2,133 metersdeep,in the United States and the 3,200meter-deep Colca River Canyon in Peruhave to drop to second place,which hadstood first in the world for long.This significant discoverg was made byYang Yichou,a geographer in the ChineseAcademy of Sciences,and his colleagues Gao