it is dark, the cases are lit
in such a way that the figures and the writing will stand
and atmospheric humidity are automatically controlled.
big case is 2,13 metres wide, 5,45 metres long, and 3,05 metres
small case is 1,34 metres wide, 2,50 metres long, and 2,34
cases have been placed on rustproof steel frames under ground.
cases were inaugurated officially on the 4th of December, 2011.