University of Minnesota School of Public Health:
Stone quarry worker
University of Minnesota School of Public Health:
Home worker
University of Minnesota School of Public Health:
Looking for conch shells in a mangrove swamp
University of Minnesota School of Public Health:
Gold miners looking for gold nuggets
University of Minnesota School of Public Health:
Smuggling contraband
University of Minnesota School of Public Health:
Inside a leather tanning drum
University of Minnesota School of Public Health:
Hauling clay at a brick factory
University of Minnesota School of Public Health:
Garbage picker
University of Minnesota School of Public Health:
Sorting cigar tobacco
University of Minnesota School of Public Health:
Cigar factory
University of Minnesota School of Public Health:
Mixing clay for bricks
University of Minnesota School of Public Health:
Garbage picker
