Sochi, Russia

A woman lights a candle by a portrait of the well-known Russian charity worker Elizaveta Glinka at a memorial on the shores of the Black Sea. Glinka was one of those who died when a Russian defence ministry aircraft, which also had dozens of members of the Red Army choir on board, crashed into the sea on Christmas Day. Russian authorities say they do not believe a terrorist attack was responsible for the loss of the Syria-bound plane