因為大雨和天氣寒冷，英國著名觀光景點“多佛白壁”上月崩塌，約有重達數千噸、面積相當於一個足球場大的巨塊石灰崩塌後掉落海中。
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幾千萬年前在英格蘭南部海藻化石形成的白堊崖，從法國橫越英吉利海峽到英國都會看到這片白壁，一直是英國著名的景觀。不過，由於海藻化石不夠強硬，一碰到大雨就會崩落，因此常有白堊崩塌。
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# U5 {& X2 Q" j5 F, r4 E; h, jAn aerial view of the latest chalk slip at the White Cliffs of Dover
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) j1 m8 @9 d: `2 ?$ A& P6 i$ y公仔箱論壇The collapse may have been caused by rain over the winter months being absorbed into the chalk and freezing 5.39.217.774 b1 q' d8 Z, I9 I# @2 c9 X; c
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1 e+ _6 |8 Q1 I; T" b/ u7 Q! O& O公仔箱論壇The Kent landmark has suffered large rockfalls before, most significantly in January last year tvb now,tvbnow,bttvb" s" ~7 |( k+ B& F/ U4 k& E
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1 l" \0 W2 X% i. |4 |! B5.39.217.77When the cliffs tumble, locals have described it as 'like a lorry going down the hill'
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8 ]( g' W: U/ Z, t% b+ ?公仔箱論壇A spokeswoman for the National Trust - which looks after parts of the chalk grassland in the area - said the cliff-fall happened between Langdon Cliffs and South Foreland Lighthouse
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Collapse: Thousands of tons of the White Cliffs of Dover have plunged into the sea in a landfall last Friday, Dover Coastguard said
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: H n9 V8 ^4 P+ K3 S# a5.39.217.77Dover Coastguard said no one was injured but that it serves as a reminder that if people are walking along the cliff-top or underneath, that the cliff can crumble away7 J+ \! u* S. { r6 d/ c
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- ` ~, I* K. c( v+ f- @公仔箱論壇Cliff investigation: Dover Coastguard said a full survey has yet to be carried out to determine the exact amount and length of cliff that crumbled on Friday
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. @( H( g4 l7 C0 X8 m- \+ N; Dtvb now,tvbnow,bttvbCollapse: Thousands of tons of chalk fell from the white cliffs of Dover in an area known as Crab Bay. Here a woman surveys the damage5.39.217.77* H5 \4 w' y+ p1 |! w2 M
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Cliff face fall: The collapse may have been caused by rain freezing after being absorbed into the chalk and then expanding, causing it to weaken
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Immortalised: A Spitfire flies over the White Cliffs which were popularised by Dame Vera Lynn's wartime song The White Cliffs of Dover
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; p- k4 b6 [" [/ P6 _Famous landmark: The White Cliffs of Dover, with a lighthouse on top, seen from the car ferry port
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發表於 2012-3-17 02:05 AM
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發表於 2012-3-19 07:18 AM
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發表於 2012-4-6 10:34 PM
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