It was always shaved in the morning, and although the environment was a bit hard, the luck of the day was very good, witnessing the formation of a complete ice rainbow. Do not live up to the hard work that we set off when we are not bright. Starting from Beijing, going to Beijing-Chengde Expressway, passing the vast expressway, passing through Huairou City, Shangjingjia Road and G111 all the way to the north, passing Fengning to Zhangcheng Expressway, and finally reaching the town of Datan at the junction of Chengde and Zhangjiakou. The whole journey is 270km, and it takes about 5 hours to drive. Since Jingjia Road is a non-toll road, the one-way high-speed fee is only 55 yuan. There are very few big cars along the way, and it is much safer than the Beijing-Tibet Expressway. In winter, Zhang Cheng Express will occasionally close the road due to icing on the road. It will usually open after noon. If you arrive early, you can choose to continue Yanjiajia Road. The road will pass through the forest farm and wind power plant. The scenery is also good.