Group 1 - The core activity of the Hangzhou government is the launch of the 23rd "Let the Cave Benefit the People, Cool Down in Summer" initiative, which opens six air-raid shelter cooling points across the city, covering a total area of 3,750 square meters, an increase of over 1,500 square meters compared to last year [2][3] - The largest and most popular cooling point is located at 38 Shipaolou, featuring a spacious area that can accommodate 300 people, with indoor temperatures dropping to 25°C from an outdoor temperature of 37°C [2][3] - The upgraded cooling points include various amenities such as real-time temperature and humidity displays, free Wi-Fi, and a shared library, enhancing the overall experience for visitors [3][4] Group 2 - The upgraded Shipaolou cooling point features eight distinct areas, including a national defense mobilization experience hall, a cinema, and a shared library, all designed to provide a comprehensive and engaging experience for visitors [3][4] - A special exhibition commemorating the 80th anniversary of the victory in the Chinese People's War of Resistance Against Japanese Aggression showcases over 200 historical images, allowing citizens to reflect on history while enjoying the cooling facilities [3][4] - The national defense mobilization experience hall offers immersive educational experiences, including a laser shooting project that requires prior reservation through the "Hangzhou National Defense Mobilization" WeChat account [4] Group 3 - The cooling activity will continue until August 31, 2025, with daily operating hours from 8:30 AM to 5:30 PM, providing ongoing access to the public [5]