Rebel fighters walk around al-Hamidiyeh base, one of two military posts they took control of from forces loyal to Syria’s President Bashar al-Assad in the northwestern province of Idlib December 15, 2014. Around 100 Syrian soldiers and 80 Islamist fighters were killed during a two-day battle in which insurgents took the Wadi al-Deif military base, the Syrian Observatory for Human Rights monitoring group said on Tuesday. Picture taken December 15, 2014. REUTERS/Stringer (SYRIA – Tags: POLITICS CIVIL UNREST CONFLICT MILITARY)