Would you travel round the world by airship?

Imagine travelling round the world by airship. It could happen. Because a businessman who led Sir Richard Branson's balloon ventures - has signed a £300m deal - to operate an entire fleet.

To start with the ships will be used to carry cargo - for the oil and gas industry - but one day they could carry passengers too. Mark Gough has been to meet the man whose ambitions are really sky high.