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.
Cheonho Station. Seoul Subway Cheonho Station en Image Stationsign seoul skorea July uploaded en User Nesnad Nesnad Cheonho Station Train station signs in Seoul Subway line
Page 2023 Free-images.com. All images are Public Domain