Syrian troops backed by Russian forces have been battling since December to eradicate the last rebel strongholds in the region in a war that has killed an estimated 400,000 Syrians and left much of Syria in ruins.
Syrian troops backed by Russian forces have been battling since December to eradicate the last rebel strongholds in the region in a war that has killed an estimated 400,000 Syrians and left much of Syria in ruins.