NOIDA, INDIA - NOVEMBER 3: Devotees perform rituals in the polluted waters of Yamuna river at Kalindi Kunj on the occasion of Chhath Puja, on November 3, 2019 in Noida, India. Thousands of devotees celebrating Chhath Puja gathered on the banks of the river, lakes and canals to pay obeisance to the Sun God on the third day of the festival. Chhath puja is a major festival of Bihar, which is performed in order to thank Sun for sustaining life on earth. (Photo by Sunil Ghosh/Hindustan Times )