Double Helix Staircase in Ljubljana Castle, Slovenia by dinah1 Star this if you like it!

This is an interesting old double helix spiral staircase. A double helix staircase is formed by two independent helical stairs in the same vertical space - the way up intertwined with the way down so that you do not have to pass people going in the opposite direction on the staircase.

Moste , Slovenia


MarinaM 11y

So artistic!!!

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