In the mid-17th century, the sculptor and architect Gian Lorenzo Bernini designed a new quadruple colonnade around St. Peter's Square (1656 to 1667).
The sculptor designed a new quadruple colonnade around St. Peter's Square (1656 to 1667). This was in the mid-17th century. Architect Gian Lorenzo Bernini designed a new quadruple colonnade around St. Peter's Square (1656 to 1667). This was in the mid-17th century.