听说前门地区是？
前门地区还是老北京市井风貌、史迹文物保存最完整的地区之一。[{'character': '前', 'pinyin': 'qian2', 'highest pitch': 10.79, 'lowest pitch': 8.45, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '门', 'pinyin': 'men2', 'highest pitch': 10.91, 'lowest pitch': 8.47, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '地', 'pinyin': 'di4', 'highest pitch': 9.54, 'lowest pitch': 7.26, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '区', 'pinyin': 'qv1', 'highest pitch': 8.9, 'lowest pitch': 7.26, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '还', 'pinyin': 'hai2', 'highest pitch': 7.04, 'lowest pitch': 6.53, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 10.36, 'lowest pitch': 6.83, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '老', 'pinyin': 'lao2', 'highest pitch': 8.34, 'lowest pitch': 6.08, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '北', 'pinyin': 'bei3', 'highest pitch': 8.54, 'lowest pitch': 4.84, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '京', 'pinyin': 'jing1', 'highest pitch': 8.78, 'lowest pitch': 7.66, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '市', 'pinyin': 'shiii4', 'highest pitch': 10.36, 'lowest pitch': 7.67, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '井', 'pinyin': 'jing3', 'highest pitch': 7.67, 'lowest pitch': 4.59, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '风', 'pinyin': 'feng1', 'highest pitch': 9.28, 'lowest pitch': 8.48, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '貌', 'pinyin': 'mao4', 'highest pitch': 9.92, 'lowest pitch': 5.56, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.19}, {'character': '史', 'pinyin': 'shiii3', 'highest pitch': 7.53, 'lowest pitch': 6.41, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '迹', 'pinyin': 'ji4', 'highest pitch': 9.18, 'lowest pitch': 8.06, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '文', 'pinyin': 'uen2', 'highest pitch': 8.38, 'lowest pitch': 6.18, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '物', 'pinyin': 'u4', 'highest pitch': 9.07, 'lowest pitch': 7.0, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '保', 'pinyin': 'bao3', 'highest pitch': 7.86, 'lowest pitch': 5.15, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '存', 'pinyin': 'cuen2', 'highest pitch': 7.27, 'lowest pitch': 5.52, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '最', 'pinyin': 'zuei4', 'highest pitch': 9.54, 'lowest pitch': 7.74, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '完', 'pinyin': 'uan2', 'highest pitch': 9.33, 'lowest pitch': 6.24, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '整', 'pinyin': 'zheng3', 'highest pitch': 10.49, 'lowest pitch': 5.64, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 5.8, 'lowest pitch': 5.58, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '地', 'pinyin': 'di4', 'highest pitch': 9.54, 'lowest pitch': 6.15, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '区', 'pinyin': 'qv1', 'highest pitch': 8.9, 'lowest pitch': 6.15, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '之', 'pinyin': 'zhiii1', 'highest pitch': 7.74, 'lowest pitch': 6.34, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i1', 'highest pitch': 7.93, 'lowest pitch': 7.59, 'duration': 0.26, 'prosody hierarchy': '#4'}]