Seoullo 7017 is a high road for people walking.
It is walking tourism network connected to 17 pedestrian roads
It is the pedestrian road of the Seoul Station Overpass
You can see landscape of Seoul Station area from a balcony view.
Subway: Seoul Station Line1/line4, Myeongdong Station Line 4
Homepage: http://seoullo7017.seoul.go.kr/SSF/GLO/ENG/M000.do