samwsm1

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10:39
中國水資源問題2.2
samwsm1
5.1K views • 16 years ago
9:03
中國水資源問題2.1
samwsm1
3.4K views • 16 years ago
10:03
中國水資源問題1.2
samwsm1
3.9K views • 16 years ago
9:36
中國水資源問題1.1
samwsm1
9.3K views • 16 years ago
7:57
china20060228-2.2
samwsm1
559 views • 16 years ago
9:19
世貿 (農業一)2
samwsm1
1.7K views • 16 years ago
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china20060228-2.1
samwsm1
325 views • 16 years ago
8:01
世貿 (農業一)1
samwsm1
2.4K views • 16 years ago
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2006032618_01.2
samwsm1
218 views • 16 years ago
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2006032618_01.1
samwsm1
203 views • 16 years ago
1:25
Irrigation
samwsm1
201 views • 16 years ago
7:36
La Nina and Snow hazard, 2008
samwsm1
215 views • 16 years ago
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Introduction to volcano
samwsm1
1.1K views • 16 years ago
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ls-wto-mew05-epi03_450k
samwsm1
44 views • 16 years ago
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ls-wto-mew05-epi01_450k
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98 views • 16 years ago
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samwsm1
39 views • 16 years ago
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Surging food price in China 2008
samwsm1
230 views • 16 years ago
6:32
ORGANIC FARMING
samwsm1
501 views • 16 years ago
1:57
recycle-b
samwsm1
111 views • 16 years ago
2:45
Zimbabwe inflation
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5.2K views • 16 years ago
1:32
orograhpic rain (1-31)
samwsm1
39K views • 16 years ago
0:42
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samwsm1
303 views • 16 years ago
1:30
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samwsm1
4.8K views • 16 years ago
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Sandstorm to S.Korea
samwsm1
266 views • 16 years ago
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T2a漲卜卜
samwsm1
49 views • 16 years ago
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samwsm1
24 views • 16 years ago
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中國基因米　x-rice in china--part 1
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718 views • 16 years ago
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samwsm1
66 views • 16 years ago
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長耳跳鼠 Euchoreutes naso
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1K views • 16 years ago
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冰冷感覺－廣告：香口珠
samwsm1
1.1K views • 16 years ago
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