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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) i& y, j% f; G+ G5 X. ~% O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。公仔箱論壇 A, {! g3 ^( d2 J
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An aerial view of the latest chalk slip at the White Cliffs of Dover
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q) V/ U' o6 x4 M; s+ Y/ Z; m2 ztvb now,tvbnow,bttvbThe collapse may have been caused by rain over the winter months being absorbed into the chalk and freezing ' ?2 x8 {+ t: y/ r6 p6 b5 `9 Y
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The Kent landmark has suffered large rockfalls before, most significantly in January last year
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When the cliffs tumble, locals have described it as 'like a lorry going down the hill'
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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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7 g. a/ K8 y& O- sCollapse: Thousands of tons of the White Cliffs of Dover have plunged into the sea in a landfall last Friday, Dover Coastguard said) V1 @$ W, v; t5 r+ p+ G3 P
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% h" W! y/ A) K4 L% y6 G1 s7 Rtvb now,tvbnow,bttvbDover 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 away
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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公仔箱論壇. v/ |& q J8 E4 j$ E l- ]! O
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- g! i/ A% r2 X1 r) O公仔箱論壇Collapse: Thousands of tons of chalk fell from the white cliffs of Dover in an area known as Crab Bay. Here a woman surveys the damage公仔箱論壇5 E* w# j/ O8 [8 t& i
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1 ]4 U" E; e! h5 }! N5 ?2 }$ fCliff 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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Famous landmark: The White Cliffs of Dover, with a lighthouse on top, seen from the car ferry porttvb now,tvbnow,bttvb# r% G9 ?7 }) F, b9 v
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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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