If you live in a big city like New York, chances are, your apartment is the size of a shoebox. You desperately need more space, like now, but how? Your apartment is in the middle of the building and the only way to expand is out. Welp, thanks to Stefan Eberstadt and his Backpack House project, you can now do just that. Ummm, that’s what we call living on the edge! Looks kinda scary though. Would you ever do this?