11. In 1988-1991 Nutt was a research director of the Estonian Open Air Museum . 12. The museum is situated in the open air museum Town Center neighbourhood in central Aarhus. 13. The largest employer in Hofstetten is the Ballenberg Open Air Museum , which opened in 1978. 14. A Unity structures bungalow originally located in Amersham is preserved at the Chiltern Open Air Museum . 15. The filming location is the farm at the Weald and Downland Open Air Museum , Sussex. 16. These pieces were then assembled into the building that is seen today in the Karnak Open Air Museum . 17. The Weald and Downland Open Air Museum of Historic Buildings is situated on the edge of the village. 18. The D�rrnberg mine exists now only as a Tourist attraction, together with the Celtic Village Open Air Museum . 19. Two open air museums , in Modr?near Uhersk?Hradiat and in Ducov? are devoted to Great Moravian architecture. 20. Molfsee is known for its huge Open Air Museum called " Schleswig-Holsteinisches Freilichtmuseum " which opened in 1965.