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작성: warehousenorth, 날짜: 6월 22, 2008 · 고유 주소

Super extension! Our family & friends are all natural history / science buffs, so this is good fun for us. Also, I've been showing it to customers with children, as it is a fine entry point to geology, seismology, geography, social studies, ad infinita depending on the youngster in question. Keep it up!!