In this year's study tour, fifth-grade students in the primary school group took a four-day dream trip to tengchong, a border town in western yunnan, led by their teachers. In this short period of four days, they walked through the quiet and peaceful streets of heshun ancient town, learned about the famous history of anti-war in west yunnan, felt the magic of the hot sea, experienced the oldest papermaking technique, walked into the fragrant tea mountain, and experienced the whole process of tea making... The study tour is rich and informative, and the students have gained a lot.