Video PlayerClose

A boy holds a Syrian flag during a concert commemorating the Martyrs' Day in Damascus, capital of Syria, on May 6, 2018. (Xinhua/Ammar Safarjalani)
 
 
A boy holds a Syrian flag during a concert commemorating the Martyrs' Day in Damascus, capital of Syria, on May 6, 2018. (Xinhua/Ammar Safarjalani)