AUG 7, 2021INSANE: Hey pandaswhat is the most useful invention | Rare Historical PhotosPeachyPenguin and Diana Lopetaitė00ShareAdd AnswerWhat invention is most important?#1 Medicine1point#2 hand held devices0pointsAdd Your Answer!Add Photo (Optional)Please use high-res photos without watermarksUpload PhotoNot your original work? Add sourcePublish00Share
