Analysts warn huge hydroelectric project in Tibet could risk geological disasters and irk New Delhi as neighbours try to ease tensions Beijing's approval of a controversial mega dam in the lower reaches of the Yarlung Tsangpo River,

China has approved the construction of the world's largest hydropower dam on the eastern rim of the Tibetan plateau despite protests over its ecological impact and concerns it could affect millions of people downstream in India and Bangladesh.

Beijing has approved plans to dam a gorge in the Himalayas that is three times as deep as the Grand Canyon, despite concerns about the impact on Tibetan and India.