HONG KONG, July 21 — China's Premier Li Qiang announced the start of construction on what will be the world's largest hydropower dam, located on the eastern rim of the Tibetan plateau and estimated to cost around US$170 billion (RM730 billion), the official Xinhua news agency said.

BEIJING, December 27 — China has approved the construction of what will be the world's largest hydropower dam, kicking off an ambitious project on the eastern rim of the Tibetan plateau that could affect millions downstream in India and Bangladesh.