Have you ever taken the U-Bahn to the end of the line? If not, you're missing out on some great architecture, according to photographer Kate Seabrook. On this short episode of Radio Spätkauf, Maisie interviews Kate about her project Endbahnhof (http://endbahnhof.tumblr.com/), which involved photographing the interiors of every one of Berlin's U-Bahn stations.