Torre Agbar is the mixed use building in the Spain.It has unusual shape because this modern shape  the building is known by several nicknames, such as "el supositori" (the suppository), "l'obus" (the shell) and some more scatological ones. 30 St. Mary Axe building has this similar shape.This building has special feature.This building is its nocturnal illumination. It has 4,500 LED luminous devices that allow generation of luminous images in the facade.

Building Name- Torre Agbar
Type- Office, conference
Location- Barcelona, Catalonia, Spain
Construction Started- 1999
Completed- 2004
Opening- June 2005
Cost- US$ 130,000,000
Height-
Roof- 144.44m(473.88 ft)
Top floor- 128.3m(421 ft)
Floor Count- 33
Floor area- 51,483 m2 (554,158 sq ft)
Elevators- 9
Owner- Grupo Agbar
Architect- Jean Nouvel
Structural engineer- Brufau & A. Obiol
Source-Wikipedia