China builds massive Tibetan dam, worrying India

China has begun construction of the world's largest hydropower dam in Tibet, raising concerns in India and Bangladesh about potential water control and environmental impacts. The dam, on the Yarlung Tsangpo River, could affect millions downstream, including those in India's Arunachal Pradesh and Assam states, and Bangladesh. The $1.67 billion project aims to generate three times more energy than the Three Gorges Dam. India and Bangladesh have expressed concerns about the dam's potential impact on water flow and livelihoods, while China asserts its right to the project, citing ecological protection and local prosperity.