Biurowiec Prosta Tower, also known as The White Tower, is an iconic 28 story monolith located in Warsaw, Poland. Standing at a height of 97 meters, the building is visible over the skyline of the city. It was built in 1974–1975 and has since become a prominent part of the Polish capital. Architect, Tadeusz Kwiniewicz, designed the tower with a "rationalist" style, which can be seen in the spacious windows along its façade, its cubic shape and the top portion in the form of an open roof. Its distinguishing feature is the white marble cladding, which gives the building its name. From its rooftop terrace, visitors can enjoy views of the city; however, the terrace is currently closed and being restored. Inside the building, one can find many interesting and modern workspaces, as well as in the foyers, where art works and other displays are often featured. The building is a popular place to visit for those looking to take a break and maybe even explore the city.