This is the scene of "Lanting · Yaji" Chinese calligraphy themed activity on the China Laos railway train on April 21. On the same day, the "Lanting · Yaji" Chinese calligraphy themed activity hosted by the Lao Chinese Cultural Center, Laos China Railway Co., Ltd. and undertaken by the Vientiane Operation Management Center of China Laos Railway entered the China Laos railway train, bringing passengers a fresh cultural experience. (Lai Xin She)