Public Domainhttps://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/3296700SaveSaveAn empty staircase and two escalators in a tunnel in London. Original public domain image from Wikimedia CommonsMorePublic DomainFree CC0 ImageInfoView LicenseJPEGSmall JPEG 960 x 1200 px | 300 dpiLarge JPEG 2800 x 3500 px | 300 dpiOriginal JPEG 3876 x 4845 px | 300 dpiSay thanks by supporting these good causesHope for Children SaveDownloadAn empty staircase and two escalators in a tunnel in London. Original public domain image from Wikimedia CommonsMore