Exercise and hiking with my friend. In a forest park in rain, I met the remains of the Great Wall of the Ming Dynasty and alpine meadows，saw the windmill matrix， and a lot of beautiful flowers.和朋友一起健身和徒步，在雨中的森林公园里漫步，邂逅了明代长城遗址，看到了风车矩阵，以及很多美丽的花。