South Korean presidential candidate Ahn Cheol-soo of the People's Party holds flowers in front of supporters during an election campaign in Seoul, South Korea, Monday, May 8, 2017. South Korea holds presidential elections Tuesday after an extraordinary six-month period that began with millions peacefully filling the nation???s streets in protest and ended with the impeachment and imprisonment of ex-President Park Geun-hye. (AP Photo/Ahn Young-joon), APTOPIX