Don't have Telegram yet? Try it now!
http://kak-nauchitsia.ru/2016/12/09/%d0%ba%d0%b0%d0%ba-%d0%b8%d0%b7-%d0%be%d1%86%d0%b8%d0%bb%d0%b8%d0%bd%d0%b4%d1%80%d0%be%d0%b2%d0%b0%d0%bd%d0%bd%d0%be%d0%b3%d0%be-%d0%b1%d1%80%d0%b5%d0%b2%d0%bd%d0%b0-%d0%bf%d0%be%d1%81%d1%82%d1%80/
Как из оцилиндрованного бревна построить дом?