A Caravan Hotel Room at Huettenpalast Berlin
If you're into the whole caravan trend but still don't consider yourself outdoorsy enough to actually rough it by staying in one surrounded by night noises, then perhaps you should try camping indoors at the Huettenpalast hotel in Berlin developed by Silke Lorenzen and Sarah Vollmer.
Source: http://www.topix.com/outdoors/camping/2011/08/a-caravan-hotel-room-at-huettenpalast-berlin?fromrss=1