They are one of Britain's foremost ancient monuments and attract as many people as Stone Henge. But visitors who choose to drop in to Bath's Roman Baths today will find them empty. The Great Bath at the city's Roman Baths is being drained of natural thermae spa water for its quarterly clean-up... Modern-day items recovered in previous cleans include umbrellas, traffic cones and even a moped. Once the Roman sluice-gates were re-opened, the Great Bath refilled from the spring at the rate of 13 litres per second. The plug was pulled on the Great Bath at 11am yesterday morning and...