谁毁了我们的长城——从山海关到嘉峪关，长城在人为破坏和自然因素的作用下慢慢毁坏，长城沿线的传统文化也将散失。

Who Destroyed Our Great Wall——from Shanhai Pass to Jiayu Pass, the Great Wall is slowly under destruction due to natural and artificial factors, also endangering traditional cultures of regions along the Wall.