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 is pressing ahead with plans to construct a mega-dam near its contested border with India, a colossal undertaking that could generate three times as much power as the Three Gorges Dam.

The project has stoked concerns about displacement and environmental impact downstream in India and Bangladesh.