Local dancers perform Sufi Dancing to celebrate the annual Sun Festival in the Temple of Qasr Qaroun, in Fayoum Governorate, some 90 kilometers south to Cairo, Egypt, Dec. 21, 2017. The annual Sun Festival which marks winter solstice sunlight's alignment in the holy area of the temple of Qasr Qaroun ccurred on Thursday. (Xinhua/Meng Tao)