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。- N3 _$ E3 ]9 K$ l) a
One of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico.
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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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8 l3 [8 ?! e. \) b2 b2 B. z* S+ [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。* W) ?5 z( H% g5 d+ w" @, r( ]+ Z( X
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2 a* |# N h. X- r- ^& T5 b u# W5.39.217.77Deep 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 centigrade4 ~8 D; r, j6 r" c
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In another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |