People hold candles during a night vigil commemorating the 1994 genocide against the Tutsi in Rwanda at Amahoro National Stadium in Kigali, Rwanda, on April 7, 2017. Lighting the flame of hope and laying the wreath at the Kigali Genocide Memorial Centre marked the start of the 23rd commemoration of the 1994 genocide in which more than one million people in Rwanda, mainly Tutsi and moderate Hutus, were killed. (Xinhua)
