New Delhi River Covered in Thick, Flowing Foam

A layer of thick foam flowed down the Yamuna river, next to New Delhi, after rainfall on July 2, prompting comments about ongoing pollution concerns.

The Yamuna River, considered sacred to some, has been at the center of a number of environmental controversies.

Toxic foam has been spotted on the river a number of times. Credit: Twitter/@salman16092013 via Storyful