https://www.viator.com/Berlin/Cruise-Sailing
赞助Top Rated Berlin Cruise & Sailing Tours! Book on Viator, by TripAdvisor. Quick & Easy Purchase with Flexibility to Cancel up to 24 Hours Before the Tours Starts
Types: Skip The Line Tickets, Museum Tickets, Day Tour, Guided Tours, Bus Tours
The most venerable and polished of the tour-and-activity sites. –
BBC