https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13998913Edit ImageSaveSaveEditCropCustom TextA basement (possibly the pre-operative room in the Physiology Department), Imperial Institute of Experimental Medicine, St Petersburg, with dogs, cages, and two animal-keepers. Photograph, 1904.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 903 px | 300 dpiLarge JPEG 1618 x 1218 px | 300 dpiFree DownloadA basement (possibly the pre-operative room in the Physiology Department), Imperial Institute of Experimental Medicine, St Petersburg, with dogs, cages, and two animal-keepers. Photograph, 1904.More