This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Usando in Yojiji red frame. zhclassical of Usando and Ulleungdo in Yojiji Yojiji vol Gangwon yujen Seoul National University PDF pp Ryu Hyungwon Custom marker PDold Uploaded with Letters concerning Liancourt Rocks Usando
Page 2023 Free-images.com. All images are Public Domain