A la découverte des secrets de l'un des sites archéologiques les plus surprenants au monde, le monument mégalithique de Stonehenge, dans le comté du Wiltshire, en Angleterre.

Stonehenge is one of the world's greatest mysteries. Now, a new discovery found deep in the soil of the surrounding area is threatening to upturn everything we think we know about this 4,500 year-old landmark. Rob Bell joins archaeologists, scientists and engineers who have uncovered a vast, previously undetected monument that is many times the size of the original henge.