ArtsThe explosive art of Roman SignerTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoArts09/21/2018September 21, 201880-year-old Swiss artist Roman Signer likes shock effects. His motto is ‘Crack, boom, bang‘. An exhibition of his sculptures, installations and videos is now open in Hanover.https://p.dw.com/p/35GEXAdvertisement