TOPSHOT - This picture taken on September 6, 2018 shows a member of the Syrian Civil Defence, also known as the "White Helmets", walking through the wreckage of their centre which was destroyed by government forces' bombardment in the town of al-Tamana on the southern edges of the rebel-held Idlib province. - Rescue workers in Syria's northwestern Idlib province said on September 6 that they were forced to halt operations in the rebel-held town after air strikes damaged their centre there. The White Helmets rescue force said a salvo of rockets and shells hit their headquarters followed by air strikes. (Photo by OMAR HAJ KADOUR / AFP)