An archeological dig in Buckinghamshire is dredging up artifacts from England’s remote past—ahead of a high-speed rail that’s laying the groundwork for UK’s rapid land-transportation future. Researchers from high-speed rail project HS2 unearthed at Stoke Mandeville a set of remarkable Roman busts from beneath what was once a Norman village church. The HS2 research team are calling the find “uniquely remarkable for us as archaeologists” and a “once-in-a-lifetime” discovery. Atop a natural earthen mound at the site, additional soil might have been added to form what once was a Bronze Age burial ground, later to be replaced by a square structure which could originate from Roman times, according to an HS2 press release. During the Norman Conquest, the village church St. Mary’s was built directly overtop of this square structure, which had been demolished after possible reuse during the Saxon age, without dirt accretion between layers. Saxon pottery was found in a cut of …