Roman Baths
Media playback is unsupported on your device

Engineering wonders of the West: Behind the scenes at Bath's Roman Baths

Despite being some 2,000 years old much of the plumbing and drainage systems at Bath's Roman Baths are still in use.

Science author and broadcaster Jheni Osman takes a look at the parts of the complex not normally on show to visitors.

Go to next video: Engineering wonders of the West