 It houses the five-star hotel "Eurostars Madrid Tower," which occupies 60% of the tower, with rooms between floors 6 and 27 and at its upper part, a two-storey dining room offering a panoramic view of the city.It is the only tower with double skin facade and it is covered entirely of glass in the form of flakes.On the upper deck there are 3 wind turbines capable of producing wind energy for use in the building.