Twin churches built under Bernini and Carlo Fontana on designs of Carlo Rainaldi in 1671-1678; adjustments to piazza and street layout made by Giuseppe Valadier in 1814.
work_description_source
Twin churches built under Bernini and Carlo Fontana on designs of Carlo Rainaldi in 1671-1678; adjustments to piazza and street layout made by Giuseppe Valadier in 1814.