On entering the Shard from London Bridge station, visitors are immediately treated to a glimpse of British humour.

BBC: Sky high at London??s Shard

Four people had to be treated at London Bridge Station after being taken ill in what was initially feared to be a chemical incident.

BBC: London Bridge station chemical fear after four fall ill

So a few years and a billion pounds or so later, the great architect delivers his monumental vision - a cloud-tickling skyscraper, a giant gleaming obelisk that emerges from London Bridge train station like a rocket about to take off.

BBC: Imagine the meeting that led to The Shard