Women activists attend a ceremony in front of the Monument to Three Charters for National Reunification in Pyongyang, the Democratic People's Republic of Korea (DPRK), on May 23, 2015. A group of 30 women activists arrived in South Korea on Sunday after a landmark crossing of the Demilitarized Zone (DMZ) from the DPRK as a symbolic act of peace. (Xinhua/Zhu Longchuan)
