Personally, I don't think it's necessary to stay in Tianlu Farmhouse when traveling to Zhangbei Grassland, but in the county town or Zhangbei Zhongdu Grassland Farmhouse, where there are more farmhouses. It takes about 20 minutes to get to the east or west line of Prairie Tianlu. Last time I lived in Zhangbei Great Wall Farm, it was not far from the scenic spots and cost-effective.