Above ground, the former school building – now a private home – fits with the typical scene of southern Sweden. Surrounded by farmland and red wooden houses common in this part of the country, it has a flagpole outside and looks like a large, but not especially extraordinary, house.
But below one of the outbuildings – which looks like a guest suite – of this 16m-krona (£1.2m) sprawling property in Ljungby, Småland, an unexpected world unfolds.