神秘博士》(Doctor Who),是一部由英国广播公司出品的长寿英国科幻电视剧。此片描述了一名神奇的名为“博士”(Doctor)的时间领主用他伪装成50年代英国警亭的时间机器塔迪斯(Time And Relative Dimension(s) In Space,时间 和空间相对维度的缩写)在时间、空间中旅行的冒险。他与其搭档(companion)在时间、空间中探索悠游、惩恶扬善、拯救文明、帮助弱...
Two high level scuba-divers and long-time friends, Don and Dave, broke a world record for depth in the Boesmansgat cave in South Africa. It would take them 15 minutes to reach the bottom, but 12 hou...