出典:Wikipedia
出典:『Wikipedia』 (2011/04/11 03:10 UTC 版)
The Keystone Building is a high-rise building located in downtown Boston, Massachusetts. The building stands at 400 feet (122 m) with 32 floors, and was completed in 1971. It is tied with Harbor Towers I as the 26th-tallest building in Boston. The architectural firm who designed the building was Emery Roth & Sons. The Keystone Building is notable for its distinctive rounded corners and grooved facade.