sˈɜːveɪz ʃˈoʊd ðæt ɛkstˈɛnsɪv ɹˌɛnəvˈeɪʃən wˈɜːk wʌz nˈiːdᵻd tə ɹɪˈoʊpən ðɪ ɪntˈɜːnəl stˈɛɹkeɪs tə ðə vjˈuːɪŋ plˈætfɔːɹm.
Surveys showed that extensive renovation work was needed to reopen the internal staircase to the viewing platform.