Woman collects plastic bottles in India
Earth Day is celebrated annually on April 22 to bring awareness about the environmental protection. An Indian woman collects plastic bottles at a garbage dump on the outskirts of Agartala, Tripura, India on Monday. /Xinhua’s Photo

Earth Day is celebrated annually on April 22 to bring awareness about the environmental protection. An Indian woman collects plastic bottles at a garbage dump on the outskirts of Agartala, Tripura, India on Monday. /Xinhua’s Photo