Video: The secret of art of making New York sewer cover
Workers behind vintage-style manhole covers "the city never sleeps".
The secret to making a manhole cover in New York
How to create art manhole covers.
A lot of people travel and have taken photos of art manhole covers from all the major cities in the world such as Tokyo, New York, France . So the mysterious workers behind the invisible vintage style covers same unique in New York City - who is the most vibrant city in the world? They are workers in Howrah, India. Watch them together and sing and make famous culvert covers!
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