antennas on the top of the mountain of la bola del mundo or alto de las guarramillas in madrid spain.

adventure ago altitude alto antenna antennas architecture blue bola building cloud del emission equipment europe famous function grass guadarrama guarramillas hiking its landmark landscape las madrid metal mountain mountaineering mundo national nature navacerrada network old outdoor outdoors park peak radio red repeater rocket scenic sierra signal sky slope spain station telecommunications television top tourism tower transmitter travel was years