The Gherkin is a 40-storey, diagonal steel structure, standing 180metres high (three times the height of Niagara falls).

It has a circular floor plan which widens as it rises from the ground and tapers towards it's apex.

The external glass covers 24,000 square metres-about the size of five football pitches-and despite it's shape has only one piece of curved glass.

It's 18 passenger lifts can transport 378 at one time, if you prefer to walk, each stairwell has 1,037 steps.

Enjoy viewing :)