I was very sorry to hear of the demise of the Hotel Unter den Linden, a solid if not beautiful structure with affordable rooms and a friendly atmosphere in the best of all possible Berlin locations. A question for the locals: is the DDR east being systematically obliterated? What about Warschauerstrasse, or Frankfurter Allee? Is everything going to look like Potsdammer Platz? It's been a year and a half since I've been in Berlin, and I suspect that much has transformed.