Former Ukrainian President Petro Poroshenko reflects at the memorial of Maidan activists, also known as "Heroes of the Heavenly Hundred", referring to the people killed in the anti-government demonstrations of 2013-2014, in downtown Kyiv on February 20, 2024, amid the Russian invasion of Ukraine. Ukraine marks the tenth anniversary of the bloody end to the revolution that ousted Russian-backed president Viktor Yanukovych and in which nearly 100 people were killed, most of them between February 18 and February 20, 2014. (Photo by Genya SAVILOV / AFP)