sentences:  The BCA began operation in 1970 when the Boston Redevelopment Authority, in an effort to revitalize the South End area, designated one city block for the development of a new arts center.The city of Boston purchased the old Cyclorama Building and neighboring brownstone buildings for the project and agreed to lease the property to the newly formed BCA for a nominal yearly fee.The BCA is fully responsible for the management of its historic campus.