© ROH 2019. Photograph by Tristram Kenton. Gounod’s Faust returns to Covent Garden in the fifth revival of David McVicar’s production since its debut in 2004. In this lascivious, haunting romp, an aged philosopher signs away his soul to Satan (Mephistopheles) so he can shag his way around 1870s Paris with his youth restored, destroying…