The slums of Manila, the capital of the Philippines, are among the most densely populated places on the planet: By some estimates, in some neighborhoods, more than 200,000 people live in a single ...

According to the national Census held in 2011 in India, metropolitan Kolkata is home to over 14 million people.

Residents gather around a mobile museum displayed on an improvised handcart in Dharavi, one of Asia's largest slums, in Mumbai, February 18, 2016. REUTERS/Danish Siddiqui/Files By Paola Totaro LONDON ...

One hot afternoon last week a truck braked to a halt in the outskirts of Rio de Janeiro. The dust-covered tarpaulin was pulled away, and out of this one truck climbed 40-odd men, women and children — ...