This is what it’s like to fly over London in a giant Zeppelin

How many people can say that have seen London from the vantage point of a floating airship? Well, here's a sneak peek for you all – welcome aboard the the Goodyear Blimp (technically it's a semi-rigid airship)! One of only four left in the Goodyear fleet, the helium-inflated Zeppelin is made of carbon fibre and aluminium. It's...