Add to ORKGGeneral view of the building and annex, from the south; The Wrigley Building "is a Beaux-Arts adaptation of the Spanish Baroque to the requirements of a high-rise." (Grove DOA). The building was designed using the shape of the Giralda tower of Seville's Cathedral combined with French Renaissance details. The 425 foot south tower was completed in April 1921 and the north tower in May 1924. Walkways between the towers were added at the ground level and the third floor. In 1931, another walkway was added at the fourteenth floor to connect to offices of a bank in accordance with a Chicago statute concerning bank branch offices. The two towers, not including the levels below Michigan Avenue, have a combined area of 453,433 square feet. The Wrigl...