Watch: Guide dog puppies learn theatre etiquette
It can take a number of years to train guide dogs before they're ready to start working with someone who's blind or partially-sighted.
But alongside learning how to wait to cross the road or taking their owners safely through crowded streets an important part of that training is making sure they know how to behave in public places.
Guide dog puppies-in-training have been visiting the Royal Opera House in Covent Garden to see Il Trovatore and learn more about theatre etiquette.
Story by Anna O'Neill and Robert Taylor
Follow BBC London on Facebook, X and Instagram. Send your story ideas to [email protected].