A giant drilling machine will be transported through North Wales for a massive infrastructure project in Gwynedd. National Grid is undertaking its Eryri Visual Impact Provision (VIP) scheme.

Seattle's giant drilling machine passed the halfway mark as it digs beneath the city to complete a new highway tunnel, state transportation officials said Monday. The drill known as Bertha churned ...

It also managed to finish its job without getting stuck and severely damaged, unlike a certain Seattle tunnel boring machine. With a 46-foot diameter, Alice dug a tunnel nearly four-stories high.

The 9,270-foot dig ranks among the trickiest megaprojects in history: Bertha was the largest drill on Earth when it entered the ground nearly four years ago, and it pushed through glacial soils ...

In this photo made with a fish-eye wide-angle lens, "Bertha," the massive tunnel boring machine that is expected to spend the next 14 months drilling a two-mile tunnel to replace the 60-year-old ...

Drilling through 12 inches of hard rock at the end took longer than expected, as miners worked one at a time on their backs in the tunnel, wielding hand-held pneumatic drills, diamond-tipped chain ...

A giant drilling machine will be transported through North Wales for a massive infrastructure project in Gwynedd. National Grid is undertaking its Eryri Visual Impact Provision (VIP) scheme.