Every apartment has a terrace measuring around 1,000 square feet, with both private and semipublic spaces. “The cool thing about a garden is it’s yours,” says architect Bjarke Ingels. “If you’re on the wooden part, you can suntan in your bikini bottom or go without pants.” If, however, you walk out onto the artificial turf, you can see what’s going on with your neighbors (and they can see you).  Photo 4 of 20 in Mountain Dwellings Urban Development in Copenhagen