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Another 45° staircase, forgotten by the architect, with every step 21 centimeters higher, but it works propper.
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One beam constrution filled with acoustic material to be as silent as possible.
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Another 45° staircase, forgotten by the architect, with every step 21 centimeters higher, but it works propper.
.......................
One beam constrution filled with acoustic material to be as silent as possible.