En direct, Vidéo: Rechercher des critiques de musique classique, opéra et ballet | Michael Corder

It starts like a scene from Mary Poppins, with penguin waiters nimbly weaving between waltzing couples, but ends with a deft blow to the stomach to deliver its environmental message.

The Ballet Black formula works its wonders yet again with Annabelle Lopez Ochoa scoring her third successive hit for a British ballet company.