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



























