hongdae entrance scarlet buildingBasic information Street vision installed near Hongik University Station! This is an area where many young Koreans gather, lined with cafes and shops. Installation location 148, Yangro, Mapo gu, Seoul 148 148 Operating hours 06: 00 24: 00 (18 hours) standards W12. 8M x H16. 6m number of seconds 20 seconds audio None Number of broadcasts More than 100 times day *Detailed broadcast times (from XX minutes every hour) cannot be confirmed in advance.