> A letter sent from the Belgian half of a house to the Dutch side, posted into a Baarle-Hertog post box would be transported by van to Turnhout, then to Brusse

> A letter sent from the Belgian half of a house to the Dutch side, posted into a Baarle-Hertog post box would be transported by van to Turnhout, then to Brussels, flown by plane to Amsterdam, then by truck via Tilburg, back to Baarle-Nassau. Apparently. Brilliant.