Earth Day marked in New York
Activists hold a sign on Earth Day in front of Prospect Park in the Brooklyn borough of New York, the United States, on April 22, 2021. (Photo by Michael Nagle/Xinhua)
Activists hold a sign on Earth Day in front of Prospect Park in the Brooklyn borough of New York, the United States, on April 22, 2021. (Photo by Michael Nagle/Xinhua)