The Stonehenge Enigma: What Lies Beneath?

Channel 5, 9pm

For more than 4,000 years, Stonehenge has been a source of fascination, but a new discovery suggests the site is even more extraordinary than we thought. Rob Bell joins archaeologists, scientists and engineers to learn more about the vast, previously undetected monument that has been found in the surrounding area and finds out what it could tell us.