
6 V6 K v h/ F: u- J6 ^ ~- L8 etvb now,tvbnow,bttvbOne 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.: D# b3 P* z% V: l# }
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' p) M+ A7 J- i6 u4 \tvb now,tvbnow,bttvbDivers 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。, t5 @, @2 W& Z
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% R3 d# Z% m. ?. h5 G5.39.217.77Deep 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 centigrade公仔箱論壇' H5 k0 a+ v/ `4 V5 {+ a
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/ N8 c1 l; d- @1 f6 vIn another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |