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See Where NYC's Manhole Covers Come From

Filmmaker Natasha Raheja traces the origin of New York City’s famous manhole covers back to Howrah, India. In her film Cast in India, she goes inside one of Howrah’s factories to glimpse the people behind the covers’ creation.

Read a Q&A with the filmmaker, click here to purchase the full length version of Cast in India, and find a screening near you on Facebook.

The Short Film Showcase spotlights exceptional short videos created by filmmakers from around the world and selected by National Geographic editors. We look for work that affirms National Geographic's belief in the power of science, exploration, and storytelling to change the world. To submit a film for consideration, please email sfs@natgeo.com. The filmmakers created the content presented, and the opinions expressed are their own, not those of National Geographic Partners.