Border between Germany, Belgium, and the Netherlands. 1981

Border between Germany, Belgium and the Netherlands near Aachen, Germany. We were there in the Fall 1981 

Photo source: http://www.wanderninsuedlimburg.de/wanderroutenbuch4/tour14.jpg 

Featured in article about borders: http://www.upsocl.com/comunidad/23-fronteras-internacionales-alrededor-del-mundo-que-te-sorprenderan