SocietySwitzerland: The underwear testTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSociety05/20/2021May 20, 2021Underwear is buried all over Switzerland. The degree of its decomposition should give information about the quality of the country's soil. Thousands of Swiss residents are taking part.https://p.dw.com/p/3tXQ1Advertisement