Mohammad Habib, 90, takes rest after leather processing, at a factory at the Hazaribagh tannery area in Dhaka, Bangladesh. Habib has been working in Hazaribagh tanneries for 55 years, seeing the change in the area over the decades, especially the increase in pollution with hundreds of factories operating without any safety measures. Despite his age, Habib has no option but to work in order to survive, after his two wives died of cancer and his children got married and moved away.

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