In this image taken from video that has been authenticated based on its contents and other AP reporting, smoke rises from buildings after government shelling in the Damascus suburb of Zabadani, Syria, on Friday, Nov. 23, 2012. (AP Photo/Shaam News Network via AP video)

Photo by: Uncredited

In this image taken from video that has been authenticated based on its contents and other AP reporting, smoke rises from buildings after government shelling in the Damascus suburb of Zabadani, Syria, on Friday, Nov. 23, 2012. (AP Photo/Shaam News Network via AP video)