Haussmannian buildings are a style of architecture that emerged in Paris during the mid-19th century, primarily under the direction of Georges-Eugène Haussmann. These structures are characterized by their uniform facades, large windows, and wrought-iron balconies, often featuring a blend of Neoclassical and Baroque elements. The buildings typically have five or six stories and are constructed from stone, giving them a grand and cohesive appearance. The transformation of Paris by Haussmann aimed to modernize the city, improve sanitation, and enhance urban planning. This led to the creation of wide boulevards and public spaces, making the city more accessible and aesthetically pleasing. Today, Haussmannian architecture is a defining feature of the Parisian landscape, symbolizing the city's historical and cultural heritage.