看這題目想起中學地理課了。圖片真美，謝謝。

來源: 石假裝於 2014-07-26 19:50:41 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.