Toxic foam has been shown floating over India's Yamuna River in Delhi

water pollution delhi water yamuna river okhla barrage kalindi kunj ghat white foam sewage industrial danger travel industry drainage transportation dumping capital poverty black water chemical river port contamination uttar pradesh damage bridge holy river delhi tourism environment traffic environmental garbage india nature new delhi poisonous polluted water river toxic wazirabad barrage asia dirt dirty disposal dump ecology third world country trash waste shore religious destination