A Syrian soldier flashes the victory sign as Russian military vehicles enter the Douma district in the eastern countryside of the capital Damascus of Syria, on April 14, 2018. Around 93 buses with hundreds of Islam Army militants and their families onboard prepared on Friday to evacuate Damascus' eastern Douma district, amid reports of the arrival of the chemical weapons investigators on Saturday to look into allegations of toxic gas use in Douma. (Xinhua/Ammar Safarjalani)