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helical staircase
/hˈɛlɪkəl stˈɛɹkeɪs/
/hˈɛlɪkəl stˈeəkeɪs/
Helical staircase
01
Wendeltreppe, Spiraltreppe
a type of staircase that follows a continuous curve or helix shape, providing a graceful and visually appealing design for vertical circulation



























