什么事情这么大动静？
直升机突降蚌埠淮河文化广场，引市民围观。[{'character': '直', 'pinyin': 'zhiii2', 'highest pitch': 8.87, 'lowest pitch': 8.17, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '升', 'pinyin': 'sheng1', 'highest pitch': 10.27, 'lowest pitch': 8.55, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '机', 'pinyin': 'ji1', 'highest pitch': 10.02, 'lowest pitch': 9.26, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '突', 'pinyin': 'tu1', 'highest pitch': 10.1, 'lowest pitch': 8.8, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '降', 'pinyin': 'jiang4', 'highest pitch': 9.85, 'lowest pitch': 8.21, 'duration': 0.32, 'prosody hierarchy': '#2'}, {'character': '蚌', 'pinyin': 'beng4', 'highest pitch': 11.75, 'lowest pitch': 8.39, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '埠', 'pinyin': 'bu4', 'highest pitch': 8.75, 'lowest pitch': 7.79, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '淮', 'pinyin': 'huai2', 'highest pitch': 9.85, 'lowest pitch': 7.2, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '河', 'pinyin': 'he2', 'highest pitch': 9.85, 'lowest pitch': 7.14, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '文', 'pinyin': 'uen2', 'highest pitch': 8.0, 'lowest pitch': 6.4, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '化', 'pinyin': 'hua4', 'highest pitch': 8.53, 'lowest pitch': 6.49, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '广', 'pinyin': 'guang2', 'highest pitch': 8.1, 'lowest pitch': 6.24, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '场', 'pinyin': 'chang3', 'highest pitch': 8.1, 'lowest pitch': 4.44, 'duration': 0.34, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.17}, {'character': '引', 'pinyin': 'in3', 'highest pitch': 8.04, 'lowest pitch': 7.22, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '市', 'pinyin': 'shiii4', 'highest pitch': 9.58, 'lowest pitch': 7.65, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '民', 'pinyin': 'min2', 'highest pitch': 8.56, 'lowest pitch': 7.52, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '围', 'pinyin': 'uei2', 'highest pitch': 8.54, 'lowest pitch': 6.16, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '观', 'pinyin': 'guan1', 'highest pitch': 9.94, 'lowest pitch': 6.97, 'duration': 0.3, 'prosody hierarchy': '#4'}]