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One of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico.
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" s! B, X. I3 h: M/ O0 QDivers 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.5.39.217.779 ~0 {- s8 m6 E, D9 B
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Divers often use guide-lines to keep them on track in the murky depths. Getting lost can be fatal.
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* k) Q$ ]- K5 n, \, g: w8 ? S# ~6 ptvb now,tvbnow,bttvbDeep 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 centigradetvb now,tvbnow,bttvb" y; q. S9 q0 r% \
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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. |