https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13979516Edit ImageSaveSaveEditCropCustom TextAnimal house (vivarium) of the Physiology Department, Imperial Institute of Experimental Medicine, St Petersburg. Photograph, 1904.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 897 px | 300 dpiLarge JPEG 1632 x 1220 px | 300 dpiFree DownloadAnimal house (vivarium) of the Physiology Department, Imperial Institute of Experimental Medicine, St Petersburg. Photograph, 1904.More