https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13979936Edit ImageSaveSaveEditCropCustom TextMonks singing the Liturgy of the Hours; one monk doing penance. Etching by J.J. de Boissieu, 1795.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 893 px | 300 dpiLarge JPEG 3096 x 2305 px | 300 dpiFree DownloadMonks singing the Liturgy of the Hours; one monk doing penance. Etching by J.J. de Boissieu, 1795.More