China has commenced construction on a massive dam on the Yarlung Zangbo River, raising concerns in India and Bangladesh about potential downstream impacts. The dam's scale poses risks of flooding and water control,

Chinese authorities have begun constructing what will be the world's largest hydropower dam in Tibetan territory, in a project that has sparked concerns from India and Bangladesh. Chinese Premier Li Qiang presided over a ceremony marking the start of construction on the Yarlung Tsangpo river on Saturday, according to local media.

The Indian and Bangladeshi governments fear the project could have major impacts on millions of people living downstream.