A solar-powered modular cabin designed by Italian architect Daniele Menichini has a bathroom but no kitchen. Planned as an alternative to a hotel room, the minimalist Green Zero has one bedroom but could accommodate more people as a cabin or guest house, as MHProNews has learned from tgdaily.com. The rainwater and drainage systems are designed for efficient and quiet removal.

(Image credit: tgdaily.com/studio di architettura daniele menichini)