Amazing Swiss mystery

Every country is filled with mysteries . . . and Switzerland is no exception. I took this snap of a rotting, decrepit building, high and deep in the Alps of central Switzerland:

Really makes you stop and think . . . why?  Perhaps it was at once time a building of historical significance, and now the owners are forbidden from destroying it?  Or perhaps they receive financial benefits by having a damaged property on their land? Or perhaps . . . they just thought it looked nice – which I think it does!