Photo taken on Nov. 13, 2016 shows a plaque in memory of victims in front of the Bataclan concert hall in Paris, France, Nov. 13, 2016. French President Francois Hollande opened a national day of commemoration one year after the terror attacks hit Paris. Commemorations were held on Sunday in the city at the places of the attacks which killed 130 people. (Xinhua/Thierry Mahe)
