A Syrian man walks through the former rebel-held Salaheddin district in the northern Syrian city of Aleppo on December 23, 2016 after Syrian government forces retook control of the whole embattled city. Syrian troops cemented their hold on Aleppo after retaking full control of the city, as residents anxious to return to their homes moved through its ruined streets. (Photo by George Ourfalian/AFP Photo)
