The fences that define both the specific areas of crop or livestock holding, delimiting their respective owners. They are an example of architecture integrated into the landscape Alistana. In many cases are made ​​from flat stones mounted in oil, without the use of mortar. Not too excessive height can range from eighty centimeters to feet in elevation. In many cases these stones come from old buildings such as the case of ancient forts (probably of Visigothic settlements). In some cases these fences are part of a defensive system of forts forming what is called "kneeling stone". The walls of these walls can combine named Ferrena stone ( quartzite ) and slate in composition. In the region of Aliste are frequent walled meadows a