Helan Mountain Rock Carvings are engraved with the earliest codes of human civilization, 4000-year-old carvings transcend time and space, solidifying the beliefs and lives of ancient ancestors into an eternal epic. On the mountain body and rock walls, carved lines like a river of stars, there are also wild oxen galloping with agile postures, as well as mysterious totem figures of people flying into the sky, and there are also solemn scenes of worshipping mountain gods, showcasing the wisdom of nomadic peoples coexisting with nature.