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A picture taken on September 30, 2015 shows a general view of deserted streets and damaged buildings in the central Syrian town of Talbisseh in the Homs province. Russia confirmed on Septemer 30 that it carried out its first airstrike in Syria, near the city of Homs, marking the formal start of Moscow's military intervention in the 4.5-year-old conflict. AFP PHOTO / MAHMOUD TAHA (Photo credit should read MAHMOUD TAHA/AFP/Getty Images)

A picture taken on September 30, 2015 shows a general view of deserted streets and damaged buildings in the central Syrian town of Talbisseh in the Homs province. Russia confirmed on Septemer 30 that it carried out its first airstrike in Syria, near the city of Homs, marking the formal start of Moscow's military intervention in the 4.5-year-old conflict.  AFP PHOTO / MAHMOUD TAHA        (Photo credit should read MAHMOUD TAHA/AFP/Getty Images)