File photo of a Free Syrian Army fighter walking through a dust-filled stairwell in Damascus
A Free Syrian Army fighter walks through a dust-filled stairwell after a comrade fired a B-10 recoilless gun at Syrian Army soldiers in the Haresta neighbourhood of Damascus in this February 7, 2013 file photo. The antiquated, probably 1960s vintage, Soviet B-10 recoilless rifle, is a heavy, bazooka-style cannon normally mounted on a little trolley and weighing about 70 kg (150 pounds); the rebel fighter simply hefted it onto his shoulder and blasted a heavy round somewhere down the road. In a month on the frontline Goran Tomasevic documented rebel fighters as they defended a swathe of suburbs, mounted complex mass attacks, managed logistics, treated their wounded - and died. But as constant, mortar, tank and sniper fire attested, President Bashar al-Assad's soldiers, often just a room or a grenade toss away, were equally well drilled - and much better armed. Picture taken February 7, 2013. REUTERS/Goran Tomasevic/Files (SYRIA - Tags: CIVIL UNREST POLITICS CONFLICT)
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