Complex sentence: When rebuilt, the Renaissance style of 1619 was modernised and, among other facets, under the architect Carl Hårleman (1700-1753) the tall Dutch Renaissance spires were replaced with small, dome-like towers in Baroque style.
Split into simpler sentences: When rebuilt, the Renaissance style of 1619 was modernised. Under the architect Carl Hårleman (1700-1753) the tall Dutch Renaissance spires were replaced with small, dome-like towers in Baroque style.