A man mourns victims of the terrorist attack against Charlie Hebdo in 2015 during a commemoration at the Place of the Republic in Paris, France, on Jan. 7, 2016. (Xinhua/Chen Yichen)
A man mourns victims of the terrorist attack against Charlie Hebdo in 2015 during a commemoration at the Place of the Republic in Paris, France, on Jan. 7, 2016. (Xinhua/Chen Yichen)