北岳恒山脚下的山西省浑源县，有两个叫“上牛还”和“下牛还”的村子。 那是在明朝年间，恒山脚下的一个小村子住着一户丁姓人家。这里虽说算不上世外桃源，但也是青山绿水，桃红柳绿。这丁姓人家男耕女织，春种秋收，吃得饱，穿得暖，小日子过得红红火火。美中不足的是山中常 Hunyuan County, Shanxi Province at the foot of the Beiyue Hengshan Mountain, there are two villages called “cattle on the back” and “under the cow.” It was during the Ming Dynasty, a small village at the foot of Hengshan lived a Ding people. Although not considered paradise here, but also mountains, pink willow green. This male surnamed Ding men and women, spring harvest, eat, wear warm, small day flies booming. The fly in the ointment is the mountain often