Rupert Pennefather (Principal of the Royal Ballet, London) and Eleanora Abbagnato (Étoile of L'Opéra De Paris - with correographer, Ludovic Ondiviela during rehearsal session of 'Huis Clos' for Montreux Danse 2018 at Auditorium Stravinski, Montreux. 3 March 2018. photo: Mike Weyerhaeuser.