 Complete the following phrase:  At the beginning of the Belle Époque, the horse-drawn omnibus was the primary means of public transport. In 1855, Haussmann consolidated ten private omnibus companies into a single company, the C.G.O. Compagnie générale des Omnibus and gave it the monopoly on public transport. The coaches of the CGO carried twenty-four to twenty-six passengers and ran on thirty-one different lines. The omnibus system was overwhelmed by the number of visitors at the 