The island became an enormous construction site, which completely destroyed most of the old streets and neighborhoods. Two new government buildings, the Tribunal de Commerce and the , were built, occupying a large part of the island. Two new streets were also built, the and the . Two bridges, the and the were completely rebuilt, along with the embankments near them. The and were extensively modified. At the same time, Haussmann preserved and restored the jewels of the island; the square in front of the Cathedral of Notre Dame was widened, the spire of the Cathedral, pulled down during the Revolution, was restored, and and the ancient were saved and restored.