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出典:Wikipedia
出典:『Wikipedia』 (2010/09/16 19:05 UTC 版)
The Nab Tower is a tower planned for anti-submarine protection in the Straits of Dover in World War I. It was sunk over the Nab rocks east of the Isle of Wight to replace a lightship after the war, and is a well known landmark for sailors as it marks the deep water eastern entry into the Solent.
Nab Tower