1 of 8
Every year the monsoons bring flooding to huge swathes of South Asia - here Indian police struggle to guard the border with Bangladesh

2 of 8
The Indian state of Bihar is one of the worst affected areas.

3 of 8
In the neighbouring state of Assam millions are homeless.

4 of 8
An estimated $222m worth of damage has been caused.

5 of 8
Road links between the north-east and the rest of India remain severed.

6 of 8
Helicopters bringing relief supplies to the area have had trouble finding dry places to land.

7 of 8
Taking refuge in the only safe place.

8 of 8
In Bangladesh flooding has marooned about three million people, but still daily life must go on.