On August 2nd, at an online community, a post called 'Song Joong-ki Appears in Hongdae' went viral.
He was surrounded by the people at the time.
This picture was from August 1st, when he was shooting for 'Guerrilla Date' segment in KBS 2TV's 'Entertainment Weekly'.
Due to Song Joong-ki's surprise show up, pedestrians occupied the roads, blocking traffics completely to see him.
(Credit = Online Community)