blˈɑːks ˈeɪ, dˈiː ænd ˈiː hæv ɡlˈæs ɛŋklˈoʊʒɚz sˈɪmɪlɚɹ ɪn ʃˈeɪp tʊ ɐ ɡˈɑːɹdən ɡɹˈiːnhaʊs ɐtˈɑːp ðˌɛm tə pɹəvˈaɪd nˈætʃɚɹəl lˈaɪt tə ðɛɹ stˈɛɹwɛlz; ðɪs hɐz lˈɛd tə ðə tˈɑːp flˈoːɹ ʌv blˈɑːk ɐ bˌiːɪŋ kˈɔːld "ðə ɡɹˈiːnhaʊs".
Blocks A, D and E have glass enclosures similar in shape to a garden greenhouse atop them to provide natural light to their stairwells; this has led to the top floor of block A being called "the greenhouse".