
. p x, ?8 ]7 [; {5.39.217.76One 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。4 h0 \, j& u: l) n4 q% ~; p+ D
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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.
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]4 P$ c3 x' w: ^# }& h, S. ]* E公仔箱論壇Divers often use guide-lines to keep them on track in the murky depths. Getting lost can be fatal.公仔箱論壇1 w2 {4 K! ?! l: Z" r1 ]( H4 C
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。7 u7 s4 D9 p& p* ?8 `) ]3 @. s2 B$ q; r
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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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, }1 D7 I( P. T l3 }5.39.217.76In another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |