Borders

The Schengen Agreement has allowed free movement of people within the European Union since 1992. As internal borders disappeared, customs posts along the border became utterly useless.

In the 20th century, the French commune of Bachy had more than 40 customs officers keeping an eye on the train station and along the approach roads from Belgium.

Railway line 47, the section of the Vennbahn between Sankt Vith and Troisvierges, was commissioned in late 1889 and crossed the Our River via a brick viaduct near the German village of Hemmeres.

During the First World War, the German army erected a high-voltage barrier of over three hundred kilometres from Knokke to the Three-Country Point near Aachen: the Wire of Death.

A monumental bonded warehouse was built in 1902 at the Essen border station along railway line 12 between Antwerp (Belgium) and Roosendaal in the Netherlands.