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100 Summer Street is a high-rise building located in downtown Boston, Massachusetts. The building stands at 450 feet (137 meters) with 32 floors, over 1 million square feet (over 92,00m^2) of office space, and was completed in 1974. It is currently the 23rd-tallest building in Boston. The architectural firm who designed the building was Welton Becket and Associates. 100 Summer Street is notable for the distinctive bronze tint of its windows.
The Regions Center (formerly the AmSouth Center, before that the AmSouth-Sonat Tower, and originally the First National-Southern Natural Building) is a 119 meter (390 foot) tall, 30 story office tower located at northwest corner of 20th Street and 5th Avenue North in Birmingham, Alabama, USA. It served as the corporate headquarters for AmSouth Bancorporation from 1972 until 2006 and Sonat, Inc. and its subsidiaries from 1972 until 2007 when it relocated to the Colonial Brookwood Center.
The Equitable Life Building is a 454ft (138m) tall skyscraper in Los Angeles, California. It was completed in 1969 and has 34 floors. It is tied with the Los Angeles City Hall for the 26th tallest building in Los Angeles. Welton Becket & Associates designed the building. The facade is made of precast concrete that sandblasted to expose the beige Texas limestone aggregate.
Kaiser Center, (also called the Kaiser Building) is an office building located at 300 Lakeside Drive, adjacent to Lake Merritt, in downtown Oakland, California. The property is bounded by Lakeside Drive (which terminates and joins Harrison Street at the site), 20th Street, 21st Street, and Webster Street. The building has 28 stories and was completed in 1960. At that time, it was Oakland's tallest building, as well as the largest office tower west of the Rocky Mountains..