Photo taken on Dec. 17, 2020 shows mirrors reflecting an image of a Sudanese citizen wearing face mask as the health precaution against COVID-19 in Khartoum, Sudan. (Photo by Mohamed Khidir/Xinhua)

Photo taken on Dec. 17, 2020 shows mirrors reflecting an image of a Sudanese citizen wearing face mask as the health precaution against COVID-19 in Khartoum, Sudan. (Photo by Mohamed Khidir/Xinhua)

Photo taken on Dec. 17, 2020 shows mirrors reflecting an image of a Sudanese citizen wearing face mask as the health precaution against COVID-19 in Khartoum, Sudan. (Photo by Mohamed Khidir/Xinhua)

Photo taken on Dec. 17, 2020 shows mirrors reflecting an image of a Sudanese citizen wearing face mask as the health precaution against COVID-19 in Khartoum, Sudan. (Photo by Mohamed Khidir/Xinhua)