Group 1 - The core idea of the article highlights the vibrant "night economy" in Changsha, where nighttime consumption accounts for 60% of total daily spending [1] - The night activities at Du Fu Pavilion are designed to cater to different interests, featuring various scenes and interactive experiences [3] - The opening ceremony of the Du Fu Pavilion has become a popular event, symbolizing the injection of nighttime vitality into the city [4] Group 2 - The enhanced Du Fu Pavilion Square provides more opportunities for visitors to capture memorable moments at night, leading to a surge in related businesses such as photography services and costume rentals [6] - The area around Du Fu Pavilion features numerous cultural and creative shops, beverage stores, and snack stalls, enhancing the overall visitor experience [8] - The warm and friendly atmosphere of local tea houses and the screening of classic films at night attract both locals and tourists, further boosting the restaurant and accommodation sectors [10]