[BBC Documentary] Calcutta's gold scavengers

Early in the morning, as Calcutta’s Bowbazar red-light district
settles down to sleep, a group of men leave their shanty homes and
literally sweep the dusty streets in a never-ending search for gold.

Learning how to survive on an increasingly crowded planet is
probably our ultimate challenge. But there is one place, home to
over a sixth of the world’s population, which is already making a
good shot at adapting: welcome to India. This extraordinary
observational series casts aside the usual preconceptions about the
sub-continent, and lets a few of India’s 1.2 billion show how their
world really works.

Watch the movie: