Core Points - A unique "puzzle town" exists in Europe, where some houses straddle both the Netherlands and Belgium [1] - The town features over 20 Belgian enclaves within the Dutch municipality of Baarle-Nassau, creating a complex territorial arrangement [1] - Approximately 9,000 residents live in the town, many holding dual nationality of both countries [1] Territorial and Legal Aspects - The boundary between the two countries is marked by white crosses, with one side indicating "NL" for the Netherlands and the other "B" for Belgium [1] - Architectural styles differ significantly between the two sides: the Dutch side is more uniform and orderly, while the Belgian side is diverse and natural [1] - The town operates under dual legal systems, with different regulations for legal drinking age and fireworks purchases between the two countries [1]