394 FOR MANY SUMMERS London Transport has been running coach tours that survey comfortably the history and architecture of London. Specially equipped coaches are used and each is in charge of a friendly and well-informed guide. In the morning there is the West End Tour which takes in the Changing of the Guard and Westminster Abbey. In the afternoon there is a choice of the City Tour with a conducted walk round the Tower and St. Paul's, the Windsor Tour to the Castle, and the Hampton Court Tour to the Palace, with its lawns and brilliant gardens.