The Longest Day in Chang'an Theme Block is based on the culture of Tang Shijing, with the IP of the web drama "The Longest Day in Chang'an" as the theme, and with immersive experience as the core, in architecture, soft decoration, coins, characters, clothing, language, music Tang-style packaging in fields such as stories etc. At the same time, around the in-depth immersive story experience, supporting catering, cultural and creative, performing arts and other business content are set up to create an overall Tang space play, Tang-style market experience, themed immersive interaction, and Tang music, song and dance performances, cultural social leisure, etc. are integrated into the cultural experience of the whole Tang market.