Group 1 - The core event is the cultural theme activity "A Journey of Joy and Friendship" held on the China-Laos Railway, celebrating the 65th anniversary of diplomatic relations between China and Laos [2] - The China-Laos Railway has been operational since December 3, 2021, and has transported over 66 million passengers, indicating strong demand for both passenger and freight services [2] - The railway has significantly improved travel times, with journeys that previously took three days by bus now completed in a single day by train, enhancing cross-border connectivity [2][4] Group 2 - The railway has sparked a growing interest in learning Chinese in Laos, with a Chinese training center expanding to four campuses and over 2,000 students enrolled, highlighting the cultural exchange between the two countries [4] - The event featured over 50 activities, including performances and cultural experiences, showcasing the rich cultural interactions facilitated by the railway [2] - Local products such as Yunnan coffee and Pu'er tea were presented as "New Year gifts" on the train, symbolizing the cultural and economic ties being strengthened through this transportation link [4]