|title=What is a Laufhaus? - Laufhauses in Vienna - 6Austria Wiki
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|description=What is a Laufhaus exactly? In Vienna, many high-standard Laufhauses await you and you should definitely check them out
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A '''Laufhaus''' is a [[brothel]] where prostitutes have rented a room. When the waiting is free, that means that the door is open. A customer can run freely through the corridors of the house (hence the name Laufhaus, where ''lauf'' means to run and ''haus'' stands for house) to negotiate with women in their rooms, and possibly to close a ''Prostitutionsvertag'', which is a prostitution contract that has a purpose of a service contract, to make the sexual activity legit.