Rock-carving, also known as petroglyphs, is an ancient form of art that involves carving or engraving images into rocks. Petroglyphs are found all over the world and are believed to have been created by various cultures for a variety of purposes. They can be used to tell stories, record events, or even serve as a form of communication. Rock-carving is an important part of many cultures and has been used for centuries to express ideas and beliefs.