People paddle a raft down a flooded street in Sirajganj town, 150 km (94 miles) from the capital Dhaka, in this July 31, 2007 file photo. Experts say a third of Bangladesh's coastline could be flooded if the sea rises one metre in the next 50 years, creating an additional 20 million Bangladeshis displaced from their homes and farms. This is about the same as Australia's population. To match feature BANGLADESH-CLIMATE/ISLANDS. REUTERS/Rafiqur Rahman/Files (BANGLADESH)
REUTERS/RAFIQUR RAHMAN