Tool from the Department of Agriculture, Livestock, Fisheries and Food for Catalan farmers and ranchers to send geotagged photographs as support for different procedures of the DUN, thus providing visual evidence of the reality of the land. This action is carried out in a context of prospects for changes in the system of control of the aid of the Common Agricultural Policy (CAP). The European Commission is studying the adaptation of the Community regulations in order to benefit from the use of