People like to think of black holes and white holes as gateways through the universe. It would be rather convenient if we could enter a black hole, zip across the universe, and come out at some distant point in space (and maybe even time). Sure, figuring out the exact mechanics would be tricky, but once [&hellip
Europe's largest boat parade: Rhine in Flames // Watch the magnificent 'Rhine in Flames' event on these 9-night Rhine River cruises from Cologne. Experience the spectacular 'Rhine in Flames' event, the largest & oldest firework show in Germany, on one of these fantastic itineraries on board the elegant Rotterdam. The August itinerary explores the historic town of Andernach, charming Cochem & the magnificent city of Koblenz, where you can watch the "Rhine in Flames."