Tall twisting tower is made from wood that shapes itself as it dries

A method that uses wood’s tendency to swell and shrink in response to moisture has been used to make a large twisting tower in Germany

Source:
https://www.newscientist.com/article/2216382-tall-twisting-tower-is-made-from-wood-that-shapes-itself-as-it-dries/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home