Play now 25 mins
Indian journalist, Aman Sethi makes friends with India's forgotten workers - the house-painters and builders who live from hand to mouth.
We also meet the Turkish man who's using basketball to stop Kurdish youths from clashing with the security forces.
And Matthew Bannister talks to Pablo Borboroglu, the marine biologist from Argentina who's fighting to save the world's penguins.
A Free Man: A True Story of Life and Death in Delhi by Aman Sethi, Publisher Vintage/Random House India
Image: Indian labourers work at a construction site
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