[{SlideShowNav}] !!!Keystone [{Image src='7107.jpg' caption='Keystone, May 2018, © [Ewald Judt|Geography/About/Consortium/Judt,_Ewald]' alt='Keystone' width='900' height='675'}] [{Metadata Suchbegriff='Keystone'}] [{SET customtitle='Keystone (3)'}]