你在凹穴岩画附近找到了什么？
马宝光曾在凹穴岩画附近找到新石器及旧石器时期的石块。[{'character': '马', 'pinyin': 'ma2', 'highest pitch': 11.21, 'lowest pitch': 8.87, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '宝', 'pinyin': 'bao3', 'highest pitch': 9.4, 'lowest pitch': 5.92, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '光', 'pinyin': 'guang1', 'highest pitch': 10.24, 'lowest pitch': 5.92, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '曾', 'pinyin': 'ceng2', 'highest pitch': 8.98, 'lowest pitch': 6.65, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 12.64, 'lowest pitch': 6.8, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '凹', 'pinyin': 'ao1', 'highest pitch': 9.64, 'lowest pitch': 8.87, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '穴', 'pinyin': 'xve2', 'highest pitch': 9.13, 'lowest pitch': 7.26, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '岩', 'pinyin': 'ian2', 'highest pitch': 8.02, 'lowest pitch': 6.43, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '画', 'pinyin': 'hua4', 'highest pitch': 9.87, 'lowest pitch': 8.02, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '附', 'pinyin': 'fu4', 'highest pitch': 9.86, 'lowest pitch': 8.43, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '近', 'pinyin': 'jin4', 'highest pitch': 10.29, 'lowest pitch': 7.19, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '找', 'pinyin': 'zhao3', 'highest pitch': 7.4, 'lowest pitch': 5.15, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 6.76, 'lowest pitch': 6.06, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '新', 'pinyin': 'xin1', 'highest pitch': 11.09, 'lowest pitch': 10.01, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '石', 'pinyin': 'shiii2', 'highest pitch': 11.09, 'lowest pitch': 6.5, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '器', 'pinyin': 'qi4', 'highest pitch': 9.11, 'lowest pitch': 5.92, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '及', 'pinyin': 'ji2', 'highest pitch': 7.69, 'lowest pitch': 7.14, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '旧', 'pinyin': 'jiou4', 'highest pitch': 11.16, 'lowest pitch': 7.69, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '石', 'pinyin': 'shiii2', 'highest pitch': 11.09, 'lowest pitch': 6.6, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '器', 'pinyin': 'qi4', 'highest pitch': 9.11, 'lowest pitch': 6.49, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 11.09, 'lowest pitch': 6.05, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '期', 'pinyin': 'qi1', 'highest pitch': 8.11, 'lowest pitch': 6.07, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.52, 'lowest pitch': 6.86, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '石', 'pinyin': 'shiii2', 'highest pitch': 11.09, 'lowest pitch': 5.06, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '块', 'pinyin': 'kuai4', 'highest pitch': 8.24, 'lowest pitch': 5.39, 'duration': 0.29, 'prosody hierarchy': '#4'}]