Group 1 - The first "State Grid Life Festival" was held from May 1 to May 5, 2025, at the National Tennis Center, attracting over 30,000 visitors and becoming one of the most prominent cultural and sports events during the May Day holiday in Beijing [3][4] - The festival featured over 800 matches across 20 courts, including various competitions such as the FILA KIDS Diamond Cup and the State Grid Member Invitation Tournament, engaging youth players and amateur athletes from across the country [3] - The "Beijing Taco Festival" took place on May 3-4, featuring over 30 popular taco brands from Beijing and Shanghai, attracting more than 25,000 visitors, with nearly half being foreign nationals, highlighting the international appeal of the event [3] Group 2 - The "AI Learning and Training Center" was opened for the first time during the festival, utilizing a cutting-edge AI system for tennis training, which provided over 20 professional analyses, and received more than 1,100 participants during its trial operation [3][4] - The festival also included cultural activities such as the China Tennis Development History Exhibition and the State Grid Exploration Activity, with the "Tennis Culture Tour" attracting nearly 200 visitors daily, emphasizing the educational aspect of the event [4] - The integration of "tennis + consumption + technology" at the festival explored new possibilities for urban holiday economies, demonstrating the vitality of the "tennis +" model through the participation of tens of thousands [4]