This building is also known as Swiss Re Building and the Gherkin.This building was damaged in 1992 because explosion of a bomb placed by the Provisional IRA.

Buildng Name- 30 St Mary Axe
Type- Office
Location- St. Mary Axe London, United Kingdom
Construction Started- 2001
Completed- 2003
Opening- May 2004
Height
Roof- 180 metres(591 ft)
Floor count- 41
Floor area- 47,950 square metres (516,100 sq ft)
Architect- Foster and Partners
Source-Wikipedia