 It spawned half a dozen imitators, but their popularity soon declined.However, during the Belle Epoque they returned to fashion.In 1887 French entrepreneur Joseph Oller, co-founder of the Moulin Rouge music hall, constructed the "Montagnes Russes de Belleville", "Russian Mountains of Belleville" with of track laid out in a double-eight, later enlarged to four figure-eight-shaped loops.