The Brahmaputra River, known as the Yarlung Tsangpo in Tibet, originates near Mount Kailash and traverses China, India and Bangladesh before merging with the Ganges in the Bay of Bengal.

These are Gangetic dolphins, a species of river dolphin - and India's national aquatic animal - that's found largely in the Ganges-Brahmaputra river system in the northern part of the country.

The Ganges begins as streams in the Himalayas and flows for 2,500km (1,600 miles), eventually combining with other major rivers, including the Brahmaputra and the Meghna. It's a huge delta river ...

Bangladesh has expressed concern over China's plan to build a massive hydropower dam upstream on the Brahmaputra in Tibet ... "But unfortunately, the entire Ganges river system in Bangladesh ...