 Complete the following phrase:  At the beginning of the Belle Époque, the industry of haute couture high fashion was dominated by the House of Worth. Charles Worth had designed the clothes of the Empress Eugénie during the Second Empire and turned high fashion into an industry. His shop at 7 Rue de la Paix helped make that street the center of fashion in Paris. By 1900, there were more than twenty houses of haute couture in Paris, led by designers including Jeanne Paquin, Paul Poiret, Georges Doeuillet, Margaine-Lacroix, Redfern, Raudnitz, Rouff, Callot Sœurs, Blanche Lebouvier, and others, including sons of Charles Worth. Most of these houses had fewer than fifty employees, but the top six or seven firms each had between four hundred and nine hundred employees. They were concentrated on Rue de la Paix and around the Place Vendôme, with a few on the nearby Grands Boulevards. At the 