BedUp is a good, practical way to free some space in your home. When you need the bed - just lower it from the ceiling and when you don’t you can return it to the ceiling. BadUp is easy to use, I mean getting it up and down, there’s only one button. You can stop the bed at any level. There are also lamps in the bottom of the bed so when you are not using it it becomes a ceiling with lamps. BedUp costs from $4,300 not the cheapest bed in the word but definitely the most practical. 
Green
Grass does not necessarily grow on the earth. See funny ways of growing grass, and this is legal.
Living walls, or vertical gardens, are very popular nowadays. Growing a vertical garden is not difficult - all you need is a metal frame, PVC and felt. Most famous vertical garden architect is Patrick Blanc. His works looks just amazing:
