TOPSHOT - A man walks with an umbrella through a deserted foggy street in Maaret Al-Numan in the northwestern Idlib province on December 24, 2019, as government forces advance on the town. - Syrian government forces on December 24 were less than four kilometres (two miles) from the strategic Maaret al-Numan, the head of the Britain-based monitor, Rami Abdel Rahman, told AFP. Fearing further advances, thousands of Maaret al-Numan's residents have fled. (Photo by Omar HAJ KADOUR / AFP)