얘들아 동해 서명운동 하자!! https://petitions.whitehouse.gov/petition/east-sea-change-us-policy-recognize-both-east-sea-sea-japan-both-iho-uncsgn-recommend-concurrent-usage
동해 서명운동!
https://petitions.whitehouse.gov/petition/east-sea-change-us-policy-recognize-both-east-sea-sea-japan-both-iho-uncsgn-recommend-concurrent-usage