Nadia’s eyes were full of tears as she crossed the border from Syria to Lebanon. She was finally going to see her son. A 14-year-old boy the last time she saw him; he is now 22 and living in Germany.

Najem al-Moussa was delighted when news of Syrian President Bashar al-Assad's overthrow first beamed from the television in his tiny Athens apartment. Then came a dreaded thought: what if Assad's fall meant he and his family would be forced to return to the devastated country they had fled nine years before?

Turkey, which hosts three million Syrians, has extended the opening hours of the Cilvegozu border gate near the Syrian city of Aleppo seized by rebels at the end of November.