Fasten your seatbelts, take a breath and take a flight over Berlin. On the roof of one of the hotels in the city center, you can now tickle your nerves. Sitting on this swing, you find yourself 120 meters above the ground. They are called the highest in Europe. Alexanderplatz square is visible under your feet, and around you there is a breathtaking view of the city. It can hardly be compared to an...