The Telefónica Building, or Edificio Telefónica, is a prominent skyscraper in Madrid, Spain, marking its significant presence in the city's skyline since its completion in 1929. Situated on the bustling Gran Vía, it is one of Madrid's central arteries, that leads to the heart of the city. The building was designed by the architect Ignacio de Cárdenas, who was largely inspired by the architectural style of American skyscrapers. With its height of 89 meters, it held the title of the tallest European building for several years. It was built to house the headquarters of the Spanish National Telephone Company, Telefónica, and stands as an emblem of the company's influence and dominance in the telecommunications market. The exterior of the Telefónica Building is a stunning manifestation of early 20th-century architecture, blending elements of the Spanish Renaissance with modernism. Its facade, adorned with white and grey stone, features a series of vertical lines accentuated by window rows, offering a sense of upward momentum. The top of the building is characterized by a tiered structure, reminiscent of the iconic American skyscraper style. Inside, the building is both functional and impressive. The lobby features a grand central staircase with an elegant handrail, leading to the upper floors. The interior has been refurbished several times, yet it retains its original charm. The building now houses a state-of-the-art technology center that includes an exhibition hall, conference rooms, and innovation labs. An interesting fact about the Telefónica Building is its role during the Spanish Civil War. It was used as a lookout point and communications center by the Republicans, and its height made it a target for bombings. In fact, the building had to be evacuated several times due to these threats. Today, the Telefónica Building is much more than just a corporate headquarters. It's a cultural hub that hosts exhibitions, workshops, and tech-related events. It's also an architectural landmark that tells a compelling story of Madrid's evolution in the 20th century. From its role in the war to its impact on Spain's telecommunications history, the Telefónica Building stands as an enduring symbol of Madrid's rich and varied past.