Inside the Tower of London S05E04 - Episode 4

Deputy governor Debbie Whittingham and yeoman gaoler Rob Fuller have spotted an impressive visitor berthed across the river from the Tower - it's a Japanese warship, which is on a world tour and is stopping off in the capital. Meanwhile, Historic Royal Palaces chief curator Tracy Borman investigates the bridges that connect the Tower to the south side of the Thames, including London Bridge and Tower Bridge.