As part of his research, David Abraham reguraly travels to Asia and South America. Here are photographs from some of those trips.

Bangka 2013

A trip to Bangka off the coast of Sumatra. Mining at its most dangerous–and loud. After several days there, I couldn’t tell the difference between legal and illegal mining.

China 2014

My throat burned, my eyes teared—it’s hard to believe the smartphone in my pocket had its roots in one of the low-tech, toxic cauldrons I was staring at.