Flowers are laid at a corner of walls riddled with bullets at the Belgian Peacekeepers Memorial in Kigali, capital city of Rwanda, on April 8, 2019. Belgian Prime Minister Charles Michel on Monday paid tribute to 10 Belgian peacekeepers killed at the start of the 1994 genocide against the Tutsi in Rwanda at Belgian Peacekeepers Memorial in Kigali. (Xinhua/Cyril Ndegeya)