Luxembourg farms. Luxembourg has especially close trade and financial ties to Belgium and the Netherlands (see Benelux), and as a member of the EU it enjoys the advantages of the open European market. With $171 billion in May 2015, the country ranks eleventh in the world in holdings of U.S. Treasury securities. However, securities owned by non-Luxembourg residents, but held in custodial accounts in Luxembourg, are also included in this figure. Luxembourg has efficient road, rail and air transport facilities and services. The road network has been significantly modernised in recent years with of motorways connecting the capital to adjacent countries.
Belgium–Netherlands border Between Belgian and Dutch Limburg, the border is mostly formed by the Meuse (Maas) river. The other parts of the border is mostly on land. The city of Baarle-Hertog forms a Belgian exclave in the Netherlands. The border is complicated there, with Dutch exclaves inside it. The eastern end point is the tripoint (together with Germany) at Vaalserberg. During the First World War, an electric fence was installed along the border by the German military, called the Wire of Death. Two border changes have occurred in recent history with regard to the Belgium–Netherlands border. Belgium–Netherlands border The Belgium–Netherlands border separates