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.
From back of subway. en View from Back of Guangzhou Metro Line at Dong Chong Station zh Own Dctgz Timestamp in the original file removed by Kevin Payravi en image Panyu District Train of Guangzhou Metro
Page 2023 Free-images.com. All images are Public Domain