Public domain image of 3men@tunnel(BW)byMartinWessely
Summary
Esperanto: Vido al tunelfino, kun homaj konturoj.
Public domain photograph - art silhouette photography, free to use, no copyright restrictions image - Picryl description
A couple of people that are standing in a tunnel.
This image is from Unsplash and was published prior to 5 June 2017 under the Creative Commons CC0 1.0 Universal Public Domain Dedication. Media published on Unsplash from 5 June 2017 onwards is not considered to be freely licensed.
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Source
Unsplash
Copyright info
Public Domain Dedication (CC0)