广西“小砂糖橘”连续三年坐着火车闯“北极”

Group 1 - The core event involves a study tour of 18 children from Guangxi traveling to Heilongjiang for cultural exchange, marking the third consecutive year of this initiative [1] - The average age of the participants in this year's study group is 4 years, with the oldest being 7 and the youngest at 3.5 years old, and 4 of the children have previously participated in the study tour twice [3] - To support the study group, China Railway Harbin Bureau Group Co., Ltd. has enhanced services at the station and on the train, featuring a Northeast folk culture-themed carriage and interactive performances such as traditional dances and activities like dumpling making [5]