杭州市的楼房要如何处理？
杭州市承诺将在二零三五年后拆除或降层。[{'character': '杭', 'pinyin': 'hang2', 'highest pitch': 9.13, 'lowest pitch': 7.85, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '州', 'pinyin': 'zhou1', 'highest pitch': 11.08, 'lowest pitch': 9.13, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '市', 'pinyin': 'shiii4', 'highest pitch': 11.18, 'lowest pitch': 8.35, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '承', 'pinyin': 'cheng2', 'highest pitch': 8.35, 'lowest pitch': 6.11, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '诺', 'pinyin': 'nuo4', 'highest pitch': 8.2, 'lowest pitch': 6.53, 'duration': 0.23, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.22}, {'character': '将', 'pinyin': 'jiang1', 'highest pitch': 8.63, 'lowest pitch': 7.6, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.04, 'lowest pitch': 6.46, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 9.07, 'lowest pitch': 8.15, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '零', 'pinyin': 'ling2', 'highest pitch': 8.79, 'lowest pitch': 7.49, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '三', 'pinyin': 'san1', 'highest pitch': 10.49, 'lowest pitch': 8.79, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '五', 'pinyin': 'u3', 'highest pitch': 9.85, 'lowest pitch': 6.12, 'duration': 0.1, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 6.12, 'lowest pitch': 4.57, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '后', 'pinyin': 'hou4', 'highest pitch': 13.76, 'lowest pitch': 6.9, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '拆', 'pinyin': 'chai1', 'highest pitch': 8.82, 'lowest pitch': 7.88, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '除', 'pinyin': 'chu2', 'highest pitch': 7.88, 'lowest pitch': 5.64, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '或', 'pinyin': 'huo4', 'highest pitch': 8.42, 'lowest pitch': 6.85, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '降', 'pinyin': 'jiang4', 'highest pitch': 9.52, 'lowest pitch': 7.09, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '层', 'pinyin': 'ceng2', 'highest pitch': 7.13, 'lowest pitch': 5.44, 'duration': 0.36, 'prosody hierarchy': '#4'}]