Continuing the olde English theme is Ye Olde Mitre (1 Ely Court, Ely Place, Holborn), another historic pub with excellent British real ales, while Jerusalem Tavern (Britton Street, Clerkenwell) is a cosy, ramshackle pub in an 18th century building that offers an interesting range of beers, including a honey porter and grapefruit beer.
CNN: London: Where to be seen