In the center, depict Zeus holding a thunderbolt, Thor with his hammer Mjölnir, Anubis with an ankh, and Shiva with his trident. In the background, include Mount Olympus, Yggdrasil, the Pyramids, and the Himalayas. Add Greek temples, the Bifrost bridge, the Nile river, and lotus flowers. Surround the scene with mythological symbols such as the labyrinth, runes, scarabs, and the Om symbol. Make the scene dynamic and harmonious, showcasing the unity of these mythologies.