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简介：重庆市巴南区有一处山间洞穴，被当地村民称为热洞，这个洞口长年烟雾缭绕，神秘莫测。记者前去实地探访，在重庆地勘局的专业人员和村民带领下，进入热洞探秘，发现洞内的气温达到了45度高温。记者深入探寻才发现原来是洞内有一处天然热泉，常年不断，造成了洞内高温的结果。收起
巴南探秘（上）神秘洞穴 [走近科学] 20120209
巴南探秘（下）会响的石头 [走近科学] 20120210
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