People enjoy the spring weather while keeping distance in Warsaw, Poland on April 27, 2020. (Photo by Jaap Arriens/Xinhua)
People wearing face masks are seen in Warsaw, Poland on April 27, 2020. (Photo by Jaap Arriens/Xinhua)
People enjoy the spring weather along a boulevard in Warsaw, Poland on April 27, 2020. (Photo by Jaap Arriens/Xinhua)