零 Your journey begins with a visit to the renowned Mogao Grottoes, a UNESCO World Heritage site famed for its stunning Buddhist murals and intricate cave temples. Explore these ancient treasures and marvel at their historical significance. Next, venture to the Echoing Sand Mountain and Crescent Moon Spring, where the dramatic sand dunes create a unique natural spectacle and the spring’s serene waters provide a picturesque contrast. Discover the remnants of the Han Great Wall, a testament to the ancient defenses along the Silk Road, and gain insight into its historical role. Conclude your tour at Yumen Pass, a historic gateway that once served as a vital juncture on the ancient trade route.