(FILES) Omani take pictures of the overflow of water in the Wadi Dayqah Dam, east of the capital Muscat on June 12, 2015, caused by the tropical cyclone Ashobaa that hit the gulf state. French power giant EDF has signed a $3 billion (2.6 billion euros) contract to develop a pumped-storage hydropower plant at Wadi Dayqah in Oman, amid a state visit to France by the Sultan of Oman, French presidency said on June 29, 2026. (Photo by MOHAMMED MAHJOUB / AFP via Getty Images)