21. Dale worked on the album alongside engineer Ian Dowling at the Smokehouse Studios and at the Strongroom . 22. Internally there was a central hall with rooms of various sizes opening off it including a strongroom . 23. The original strongroom is located centrally on the northern side, and is used as a store. 24. The strongroom has a brick floor, instead of the timber floors used elsewhere in the store. 25. Mattson's shares were kept in strongroom in Pohjoismaiden Yhdyspankki ( PYP ) as deposit for debts. 26. The first floor consists of a central corridor with offices either side, three of which have strongrooms . 27. The rear shop has a strongroom and a large sliding door to the rear carport / loading area. 28. There were five underground levels, providing the staff restaurant, garage and three levels of storerooms and strongrooms . 29. The keeper unlocked the Crown Jewels and, to his amazement, was seized and held in the strongroom . 30. The masonry strongroom is located on the western side and has a steel door opening to the banking chamber.