If you dig a very deep straight hole, where will you stop?

来源: ● 于 2006-11-18 07:32:22 [] [旧帖] [给我悄悄话] 阅读数 : (199 bytes)

If you dig a very deep straight hole, where will you stop?

http://map.pequenopolis.com/


I tried to dig a hole from my office and the hole ends somewhere in the sea near Australia...

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