Tingnan Yan. Red Venue Casts the Soul, Study Tours Nourish the Heart —— Practice and Theoretical Construction of Red Study Tours in Yuhong Primary School of Qiqihar. erstp [Internet]. 2026 May 31 [cited 2026 Jun. 9];2(2):137-41. Available from: http://ojs.iajournals.cn/index.php/erstp/article/view/373