
6 C. s8 h+ k" F$ X公仔箱論壇One of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico. tvb now,tvbnow,bttvb' n, S; m2 u1 [3 Q9 J7 \1 ?5 C
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5 s! J6 _1 m O1 \) K5.39.217.77Divers 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.
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Divers often use guide-lines to keep them on track in the murky depths. Getting lost can be fatal.公仔箱論壇, X- N4 Y4 { h
+ ~ G3 f1 _9 M% Y) k# b B; G 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 d' o& q2 R! @3 m8 i# q$ b" ` `
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 centigradeTVBNOW 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。% H# o C% N* y4 ?2 q: E
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, Q& n$ l ^8 g5.39.217.77In another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |