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Few people know that in the bowels of Buda Castle Hill there is not only the Labyrinth and the Rock Hospital, which can still be visited today, but also a much more extensive and zigzag system of passages. With the help of hydrogeologist Géza Hajnal, we will show you the former shelters and the bone chamber! Read our related article: http://valasz.hu/itthon/egeszen-furcs...