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One of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico. 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。) f/ U+ w4 j3 a* G$ R) r
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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.; L0 g" m5 v, f; \) U! ~1 w. Z
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7 `6 o( B/ w) V5 Y- T公仔箱論壇Divers often use guide-lines to keep them on track in the murky depths. Getting lost can be fatal.
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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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# z( M9 f2 R; P6 T* ]In another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |