That building has a façade topped by golden sculptures representing Harmony and Poetry, and is an (*) opera house designed by Charles Garnier.
One church in this city has a neo-Byzantine exterior roof supported by iron columns attached to stone walls. A controversy arose in this city over whether its "general collector" should be used for storm water only or also for waste. A building in this city may have been inspired by the refectory of St. Martin de Champs, and uses cutout iron arches to form its double-barreled roof along with thin steel columns. This city underwent a shift from "vertical" to "horizontal" segregation. A building in this city has a "grand foyer" lined with paired gilt columns, and a staircase that sweeps out into two stairs at the top and widens at the bottom. That building has a façade topped by golden sculptures representing Harmony and Poetry, and is an (*) opera house designed by Charles Garnier. This city saw a major broadening of its avenues, intended to allow easier troop maneuvers and stop barricades. For 10 points, name this city that was renovated by Baron Haussmann during the reign of Napoleon III.
One church in this city has a neo-Byzantine exterior roof supported by iron columns attached to stone walls.
Paris