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worlds oldest heating system

gary bettcher
Member Posts: 22
http://english.chosun.com/w21data/html/news/200706/200706260010.html
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Comments
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Interesting!
I started to let the language pack install then cancelled...you never know!! I managed to read the article about Korean style under stone floor heating circa 2500 yrs ago in the Aleutian Islands. Interesting to say the least.0
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