Serbian Interior Minister Aleksandar Vulin (L, front), Minister of Labor, Employment, Veteran and Social Affairs Darija Kisic Tepavcevic (R, front), and Tian Yishu (C, front), Charge d'affaires of the Chinese embassy in Serbia, mourn at memorial plaques dedicated to the three Chinese journalists killed in the NATO bombing of the former Chinese embassy in the Federal Republic of Yugoslavia in 1999, in Belgrade, Serbia, May 7, 2022.(Photo by Wang Wei/Xinhua)