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One of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico. ) Q+ j7 V$ {! @3 @9 N3 E* v
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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.os.tvboxnow.com2 R$ x, G( R; j7 q
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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5 q9 p8 f# ^9 b+ i
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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 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。: s. b4 ]: \# N$ H
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- u" D4 ~# B, {3 [) ~ ETVBNOW 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。In another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |