서울 윈터 페스타 서울윈타 2023 서울윈터 페스타 '서울윈타' The city of Seoul announced on the 6th that it had redesigned the Seoul Dreamboard, a large writing board on the exterior wall of the Seoul Library, on the 5th to celebrate the opening of Seoul Winter Festa 2023. An optical illusion effect was added to add fun, and this was designed to arouse curiosity and interest about the event. The phrase “Come!” and a QR ..