Those guys are fantastic! I have to thank them very much for the informations before and during the stay, their presence, flexibility, explanations about how it works with the fitness center next door and warm welcome from the first to the last days. The flat, where I have been living for 4 weeks, is very nice, decorated with a high level of innovation and knowledge in paintings, perfectly located for all services. Everything in the appartment worked perfectly. Well, a good experience in Berlin!