TRAVEL Places to Visit in Seoul by Subway – Line 7 2018-01-03 0 507 Facebook Twitter Pinterest WhatsApp PrevNext1. Places to Visit in Seoul by Subway Line 7 Taking the seventh line of Seoul Metro Subway, you can visit a variety of tourist attractions – ranging from mountains to urban neighborhoods like Cheongdam-dong. By Heewon Kim2. Places to Visit in Seoul by Subway Line 7 3. Places to Visit in Seoul by Subway Line 7 4. Places to Visit in Seoul by Subway Line 7 5. Places to Visit in Seoul by Subway Line 7 6. Places to Visit in Seoul by Subway Line 7 7. Places to Visit in Seoul by Subway Line 7 8. Places to Visit in Seoul by Subway Line 7 9. Places to Visit in Seoul by Subway Line 7 10. Places to Visit in Seoul by Subway Line 7