1. Set in the low-lying Ganges–Brahmaputra River Delta, Bangladesh sits in a perfect storm of climactic conditions.

2. Set in the low - lying Ganges – Brahmaputra River Delta, Bangladesh sits a perfect storm of climactic conditions.

3. When the torrent struck their island in the Brahmaputra river, the villagers remember, it took only moments to obliterate their houses, possessions and livestock.

4. Brahmaputra River , the river bypass Namjagbarwa a dramatic turna huge horseshoe - shaped bend, forming a huge gorge.

5. A fisherman lifts his net from the waters of the Brahmaputra River.

6. Completed in 2010, the satellite-based survey took an inventory of the snow cover and glacier extent across glaciated regions of the Indus, Ganga, and Brahmaputra River basins.

7. The dispute, which stretches to over a decade, could hold crucial lessons for India in managing water-sharing issues with China over the Brahmaputra river.

8. China is currently at work on constructing the world's largest hydroelectric dam on the Brahmaputra river, which is vital for Indian agriculture.

9. Nowhere are theseissues better exemplified than in the Himalayas, the 2400-km-long chain ofmountain ranges stretching between the Indus and the Brahmaputra River valleys(see the picture, above).