At first glance, people may think the group of pictures show a beautiful frozen river. It reveals the massive pollution of the Yamuna River in India. /VCG Photo

Parts of Yamuna River were covered by a thick layer of foam, which described as a "dead river" because the river does not have enough oxygen for fish or any river life to survive. /VCG Photo

Fishermen were photographed when they were fishing at the polluted Yamuna River on the World Water Day in New Delhi. /VCG Photo