A room with pipes and a checkered floor. Biosphere arizona tunnel.
Zusammenfassung
A hallway with a tiled floor and pipes. A hallway with pipes and pipes on the floor. Public domain stock photo of trains, and railroad transport.
Datum
2016
Quelle
pixabay.com
Copyright-info
This image is from Pixabay and was published prior to July 2017 under the Creative Commons CC0 1.0 Universal Public Domain Dedication license https://web.archive.org/web/20161229043156/https://pixabay.com/en/service/terms/ . In July 2017, Pixabay switched the old sitewide license for all uploads from Creative Commons CC0 to a custom license arrangement that does not meet the Creative Commons CC0 1.0 Universal Public Domain Dedication license terms.