Sunday, July 16, 2017

Today I learned that Tokyo Tower, the 21st tallest tower in the world and second tallest-building in Japan, is composed entirely of steel. 1/3 of which came from recycled tanks used by the U.S. in the Korean War.


http://ift.tt/2uxhQSH via /r/todayilearned http://ift.tt/2v6vLMF

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