Mark is a fantastic host. He is responsive, and provides everything as promised. If there is a problem, he is quick to address it. We had a minor issue with one of the showers, and Mark came to fix it the next day. The flat itself is large--much larger than the pictures show. Everything is clean and orderly. The flat has a modern, chic aesthetic, but still retains the old, classic charm of an older flat. The location is also very convenient. It is ~15 min. drive from Tegel, and it is two blocks off of Kudamm (the main shopping street). Thanks for everything, Mark!