In this picture taken on November 12, 2020 dockyard workers prepare to pour molten iron in a mold to make a propeller at a workshop on the banks of the Buriganga river in Char Kaliganj on the outskirts of Dhaka. - Rivers are the lifeblood of the delta nation of 168 million people where much of the low-lying land is accessed via boat, with Bangladesh's strong economic growth of recent years fuelling more investments in new and bigger ships. (Photo by Munir UZ ZAMAN / AFP)