Washington: In war-torn Syria, five of six World Heritage sites now “exhibit significant damage” and some structures have been “reduced to rubble”, reveals new high-resolution satellite image analysis.

The damaged Syria's World Heritage sites are: the Ancient City of Bosra, the Ancient Site of Palmyra, the Ancient Villages of Northern Syria, and two castles - Crac des Chevaliers and Qal'at Salah El-Din.