![An Indian fisherman pulls in his fishing net as foamy discharge, caused by pollutants, mix with surf at a beach in Chennai on November 22, 2018. High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said. (Photo/Agencies)](http://www.ecns.cn/hd/2018/11/23/a1a9906c06d44cab908d67e3a2238ca8.jpg)
An Indian fisherman pulls in his fishing net as foamy discharge, caused by pollutants, mix with surf at a beach in Chennai on November 22, 2018. High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said. (Photo/Agencies)
![An Indian fisherman pulls in his fishing net as foamy discharge, caused by pollutants, mix with surf at a beach in Chennai on November 22, 2018. High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said.(Photo/Agencies)](http://www.ecns.cn/hd/2018/11/23/a1cd2fc0a27a4fdbb9405528f0ab0b07.jpg)
An Indian fisherman pulls in his fishing net as foamy discharge, caused by pollutants, mix with surf at a beach in Chennai on November 22, 2018. High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said.(Photo/Agencies)
![An Indian fisherman carries his catch with his fishing net as foamy discharge, caused by pollutants, mix with surf at a beach in Chennai on November 22, 2018. High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said. (Photo/Agencies)](http://www.ecns.cn/hd/2018/11/23/02bb2876aa4b49e6a7abc1074c543293.jpg)
An Indian fisherman carries his catch with his fishing net as foamy discharge, caused by pollutants, mix with surf at a beach in Chennai on November 22, 2018. High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said. (Photo/Agencies)
![Umbrella-toting Indian youths jump over foamy discharge, caused by pollutants, as it mixes with the surf at a beach in Chennai on November 22, 2018. - High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said. (Photo/Agencies)](http://www.ecns.cn/hd/2018/11/23/276950fe03a14281bef7ac27c8df1336.jpg)
Umbrella-toting Indian youths jump over foamy discharge, caused by pollutants, as it mixes with the surf at a beach in Chennai on November 22, 2018. - High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said. (Photo/Agencies)
![An Indian fisherman pulls in his fishing net as foamy discharge, caused by pollutants, mix with surf at a beach in Chennai on November 22, 2018. High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said. (Photo/Agencies)](http://www.ecns.cn/hd/2018/11/23/bb61b99aed0b411ea3d4f6d17c27b3c4.jpg)
An Indian fisherman pulls in his fishing net as foamy discharge, caused by pollutants, mix with surf at a beach in Chennai on November 22, 2018. High levels of sewage and industrial waste was claimed to be the cause of the foam, officials said. (Photo/Agencies)