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| eliu  joined: 2007-08-09 posted: 11512 promoted: 617 bookmarked: 187 新竹, 台灣 | 
 洞穴的地點在墨西哥 Chihuahuan 沙漠,主要成分是 Gypsum 石膏,所以比較軟。在台灣大概一下就被破壞了。 edited: 1
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| eliu  joined: 2007-08-09 posted: 11512 promoted: 617 bookmarked: 187 新竹, 台灣 | 
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