TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。8 B/ W2 P, | W! c
One of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico.
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+ f0 _! F( {) @0 H公仔箱論壇Divers carry remote underwater flash guns to illuminate this image, taken in what is probably the world's biggest underwater tunnel, Weebubbie Cave beneath the remote Nullarbor Plain of western Australia., Q* b+ D+ H# q4 O% t
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6 `" D5 `0 A, H- Y5 c; G2 Otvb now,tvbnow,bttvbDivers often use guide-lines to keep them on track in the murky depths. Getting lost can be fatal.公仔箱論壇. k) [ Y5 r3 z; z3 Q
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Deep and dark doesn't always mean cold: Jenny Pinder swims through the underwater passages of the Grotta Giusti Cave in Tuscany, Italy. where geothermal activity heats the water to an amazing 35 degrees centigrade
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In another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |