Yu Chi-hwan Postbox Observatory (유치환 우체통 전망대)
This is an observatory located along Sanbok-ro Road in Choryang-dong, Dong-gu, Busan. A mailbox was installed to celebrate the artworks and literature of famous poet Yu Chi-hwan. The observatory is divided into two levels. The first level consists of a terraced outdoor performance stage, while the second level is an art exhibition area, designed with floor to ceiling windows.