The Seoul city government on Wednesday announced a list of 18 people who will join the city's bell-tolling ceremony on New Year's Eve. The 12 civic bell ringers, selected by the city as "People of the Year," include 18-year-old Yoon Do-il, who risked his life to help others when a knife attack occurred at Seohyeon station in Bundang, Gyeonggi Province, in August; Park Sang-woo, a radiology technol.