The "The Longest Day in Chang’an" theme block is China's first immersive Tang-style city life district, with Tang Dynasty city culture as its theme and immersive experience as its core. the prosperity and bustle of the past flashed in here. Walking through the "The Longest Day in Chang’an" theme block, wandering through the long river of history and reality, experiencing this great city，Xi’an, where tradition and modernity mingle, where ancient streets and cities intertwine.