By Mark Dummett, BBC News, Dhaka
The sewers of Dhaka, Bangladesh’s overcrowded and polluted capital city, are as unpleasant as you could imagine.
But they are also an incredible source of income for a small group of men who do not mind getting their hands dirty. They earn their living by finding tiny specks of gold that are accidentally brushed into the open sewers that run alongside the narrow streets of Dhaka’s historic gold bazaar.
With the price of gold hitting $1,000 an ounce for the first time earlier this year, these specks are worth more than ever before. (…)
Read all: BBC South Asia