A picture taken on March 14, 2014 shows a partial view of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a partial view of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a partial view of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a partial view of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a partial view of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a partial view of the theatre at the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a partial view of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a partial view of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 the Temple of Standards seen through two Corinthian columns in the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a partial view of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a Syrian policeman patrolling the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows Syrian policemen patrolling the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a Syrian policemen patrolling the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows a partial view of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows Syrian citizens riding their bicycles the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows Syrian citizens walking in the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows the citadel (background) of the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus, over looking the city. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows carvings in the temple of Baal at the ancient city of Palmyra in the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows carvings in the temple of Baal at the ancient city of Palmyra in the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID

A picture taken on March 14, 2014 shows the external courtyard of the sanctuary of Baal in the ancient oasis city of Palmyra, 215 kilometres northeast of Damascus. From the 1st to the 2nd century, the art and architecture of Palmyra, standing at the crossroads of several civilizations, married Graeco-Roman techniques with local traditions and Persian influences. AFP PHOTO/JOSEPH EID