
( G$ f, B1 W5 R- s: b公仔箱論壇One of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico.
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) C- P' S/ {/ p) J2 P" WDivers 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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2 S6 ?; t# i2 n1 l2 H8 [tvb now,tvbnow,bttvbDivers often use guide-lines to keep them on track in the murky depths. Getting lost can be fatal.
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; u9 O) i( T8 [, ~9 ~tvb 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 centigrade
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; r4 P+ b; u+ L T+ bIn another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |