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One of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico.
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8 Y2 `" Z+ Q4 [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.& U4 }3 {- G9 L- Z& ^$ U" _* Y p# W
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Divers often use guide-lines to keep them on track in the murky depths. Getting lost can be fatal.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。2 V3 T: U; P: M, k. @ C
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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, @/ \0 I* f1 q" \5 s: L p
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: s+ Q- a: W2 o. Y, N6 k& E0 P' ytvb now,tvbnow,bttvbIn another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |