After the Second French Empire, the Belle Époque marked the second large construction campaign in Vichy. In 1903, the Opera House (l'Opéra), the Hall of Springs and a large bath designed in the eastern style were inaugurated. In 1900, the "Parc des Sources" was enclosed by a metal gallery which came from the World Fair of 1889. long, it is decorated by a "frise de chardons" and was completed by the ironworker Emile Robert. Many private mansions with varied architectural styles were erected during the first half of the 20th century.