Petroglyphs are ancient rock carvings created by removing the surface of a rock to reveal a different color underneath. These images often depict animals, human figures, or symbols and were made by various cultures around the world, including the Native Americans and Indigenous peoples of Australia. They serve as a form of communication and expression, providing insights into the beliefs and daily lives of the people who created them. These carvings can be found in many locations, such as caves, cliffs, and rock faces. Petroglyphs are important archaeological artifacts that help researchers understand historical cultures and their interactions with the environment. They are often protected as cultural heritage sites due to their significance.