Singer Hwang Chiyeul’s official cafe announced that it will be advertising his advancement to the final round of Chinese TV show I am a singer 4. Ten2 will be advertising the singers accomplishment on a building in Gangnam, Seoul, South Korea. The display can be viewed from the 2nd of April to the 9th of April, 2016. It will be done 150 times a day for 20 seconds from 6am to 12am. If you are in the area and happen to see it, feel free to send us a snapshot :).