https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13953359Edit ImageSaveSaveEditCropCustom TextA man is sitting on a rock by the side of a lake with a fishing rod and picnic basket, trying to open a tin of salmon with a knife and a stone. Process print after Lawson Wood.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 822 x 1200 px | 300 dpiLarge JPEG 2193 x 3203 px | 300 dpiFree DownloadA man is sitting on a rock by the side of a lake with a fishing rod and picnic basket, trying to open a tin of salmon with a knife and a stone. Process print after Lawson Wood.More