14th Annual Smithsonian.com Photo Contest
Chouara tannery in the ancient city of Fez, Morocco.
The tanneries have been in operation in Fez since the 14th century. Chromium has been a major ingredient in the tanning process since the 1800s. Men who spend their days in the carcinogen eventually suffer from immune system and respiratory problems.
© Justin Betham.
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||Nov. 20, 2016, 7:34 p.m.