The world's largest ice-and-snow theme park in China's Harbin has introduced a Great Wall-themed super ice slide. Combining fortress-style walls and beacon towers with high-speed descents, the 521-meter ultra-long slide at Harbin Ice-Snow World offers thrill seekers a fast, immersive ride along 24 lanes. The popular attraction promises an exciting experience without the hassle of queues thanks to a staggered visitor flow management system.