While Richard Branson seems set to dominate space with his planned tourists flights and the seas with the Necker Nymph, a design company has created a "clipper in the clouds" that could rule the skies.
Australian firm SkyLifter is developing a gargantuan airship, capable of lifting entire buildings and carrying them over a thousand miles, for use in getting aid to remote areas or sites of natural disaster.
It’s the solution to a long held problem in transporting huge pieces of equipment. Roads and railways don’t always reach remote locations, and areas of natural disaster or poverty rarely have airstrips or runways. Even heavy-transport helicopters suffer from limited payloads, meaning the equipment has to be dismantled and taken in many trips.
Some analysts suggest that lessons can be learned from Portugal's drug laws. So how are things done differently there?