People walk on a hill in Chichester, Britain, May 21, 2020. As of Thursday morning, 250,908 people in Britain have tested positive, said the Department of Health and Social Care. (Photo by Tim Ireland/Xinhua)

People enjoy leisure time on a hill in Chichester, Britain, May 21, 2020. As of Thursday morning, 250,908 people in Britain have tested positive, said the Department of Health and Social Care. (Photo by Tim Ireland/Xinhua)

Photo taken on May 21, 2020 shows a nearly empty beach at Bognor Regis, Britain. As of Thursday morning, 250,908 people in Britain have tested positive, said the Department of Health and Social Care. (Photo by Tim Ireland/Xinhua)

Photo taken on May 21, 2020 shows a nearly empty beach at Bognor Regis, Britain. As of Thursday morning, 250,908 people in Britain have tested positive, said the Department of Health and Social Care. (Photo by Tim Ireland/Xinhua)