
6 v3 `/ Q ]& d$ ^$ W. Y2 eOne of Martyn's diving companions, Robbie Schmittner, in a huge flooded cave in Mexico. % @0 V0 |+ B) h/ I9 L
U& W& J+ G0 _+ m" n" l2 G0 O5.39.217.76 5.39.217.76$ B& q- k$ f: m4 L5 Y6 u* f" }
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.
* U$ r! f9 x4 ~! ~; j
) i/ V8 C( \: \7 Jtvb now,tvbnow,bttvb + a# F" f, ^" w) V$ w
Divers often use guide-lines to keep them on track in the murky depths. Getting lost can be fatal.tvb now,tvbnow,bttvb( R* E* ?' i# T k
tvb now,tvbnow,bttvb: V) \: M3 I# T v$ o' w$ C

5 X$ H- N* L% p# H8 [5.39.217.76Deep 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* g6 B9 ?2 ~, ~. c
, R- m& n$ x' ^1 e3 I- y" l, A5.39.217.76
+ |( b4 d4 M+ q* g; k2 \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。In another of Martyn's photos Helen Rider swims through the narrow confines of Taina Cave near Santo Domingo in the Dominican Republic. |