Photo taken on Sept. 6, 2020 shows houses hit by Nile River's flood in Khartoum, Sudan. Sudan's Security and Defense Council has decided to declare a nationwide three-month state of emergency over floods, Sudan's Sovereign Council announced in a statement Saturday. According to official statistics, the Nile River's flood water this year is higher than that of 1946 and 1988. (Photo by Mohamed Khidir/Xinhua)

Local residents inspect their house hit by Nile River's flood in Khartoum, Sudan, Sept. 6, 2020. Sudan's Security and Defense Council has decided to declare a nationwide three-month state of emergency over floods, Sudan's Sovereign Council announced in a statement Saturday. According to official statistics, the Nile River's flood water this year is higher than that of 1946 and 1988. (Photo by Mohamed Khidir/Xinhua)

Local residents inspect their house hit by Nile River's flood in Khartoum, Sudan, Sept. 6, 2020. Sudan's Security and Defense Council has decided to declare a nationwide three-month state of emergency over floods, Sudan's Sovereign Council announced in a statement on Sept. 5. (Photo by Mohamed Khidir/Xinhua)