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One of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico.
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3 ?" e W/ e; v! I. L% L8 G公仔箱論壇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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5 ~: k3 h; S9 x+ r: R2 F+ t3 M( FDivers often use guide-lines to keep them on track in the murky depths. Getting lost can be fatal.公仔箱論壇; y; I5 \- c$ }% d! _
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# i1 r2 d/ Q9 M% _5.39.217.77:8898Deep 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公仔箱論壇! I1 l; r2 l$ N h
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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. |