ɐn ɪntˈɜːnəl stˈɛɹkeɪs ɐsˈɛndz tʊ ɐ vjˈuːɪŋ plˈætfɔːɹm, wˌɪtʃ hɐz θɹˈiː sˈɜːkjʊlɚ wˈɪndoʊz, wˈʌn ˌɔn ˈiːtʃ fˈeɪs.
An internal staircase ascends to a viewing platform, which has three circular windows, one on each face.