RADAR: Paintings shine againSilke Bartlick02/01/2016February 1, 2016The sky is clearer, there are more seagulls, even a butterfly: Two of Caspar David Friedrich’s most important works shine again after a three-year restoration by the Alte Nationalgalerie in Berlin.https://p.dw.com/p/1HmuOImage: SMB/Foto: K. Mösl, F. SchneiderAdvertisement