Group 1 - The article discusses a large multimedia event titled "Fighting for Sichuan, Sprinting for 70 Years," organized to celebrate the 70th anniversary of the People's Republic of China, showcasing achievements in transportation across rail, road, and air [3][4]. - The event features various exhibitions, including a bus exhibition where retired residents and schoolchildren perform patriotic songs, highlighting the role of public transport as a window to the city [4][5]. - The event includes a train exhibition at the Chengdu International Railway Port, where students participate in activities to express their love for the country, and containers are decorated to promote Sichuan [5][6]. Group 2 - The high-speed train exhibition showcases the development of Sichuan's transportation, with videos and posters displayed at major train stations, emphasizing the province's progress over the past 70 years [6]. - The airport exhibition at Chengdu Shuangliu International Airport features panda-themed displays and highlights significant milestones in Sichuan's development, receiving positive feedback from travelers [7]. - The airport exhibition includes nearly 100 promotional posters, marking it as one of the largest displays in recent years at the airport [7].