Căn phòng yên tĩnh nhất thế giới
Cập nhật: 13:36 26/10/2015 GMT+7
Phòng nghiên cứu thí nghiệm Building 87 của Microsoft là nơi yên tĩnh nhất Trái Đất, khi âm thanh được hấp thu tới 99 - 100%.
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