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The Fire observation Tower Rennbeck is a tall observation tower built of wood on the Rennberg near Oer in Germany. It is built in an unusual triangular cross section. ==See also== List of towers 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Rennbeck fire tower」の詳細全文を読む スポンサード リンク
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