Located on the junction of Madrid's main north-south artery, Paseo de la Castellana, with Génova Street, the primary east-west axis of the city, the building faces the bustling Plaza de Colón, one of the largest public spaces in the city that is flanked by Spain's National Library. >>>

Mecanoo's design is a composition of two volumes with a commercial plinth. The top two levels of the lower building are fused to the 238 m high tower. The volumes contract and expand to accommodate public space and vegetation on different levels. The plinth is 'carved out' to create a sense of scale and increase permeability at ground level. A lively meeting point, the ground floor urban square leads to the main entrances and links the pedestrian routes through the site. >>>