Russian foreign minister Sergey Lavrov welcomes the UN special envoy for Syria Staffan de Mistura, centre, for talks in Moscow on December 21, 2017 as Russian defence minister Sergey Shoigu, right, looks on. Ivan Sekretarev / AP Photo
Russian foreign minister Sergey Lavrov welcomes the UN special envoy for Syria Staffan de Mistura, centre, for talks in Moscow on December 21, 2017 as Russian defence minister Sergey Shoigu, right, loShow more
Syria year in review: Assad fixes his place as outside powers pursue their agendas
Regime allies Russia and Iran and rebel backer Turkey now call shots as opposition and ISIL are subdued