Five years into the massive overhaul of the historic Salt Lake Temple, workers recently completed a three-year project to delicately drill 46 holes down through its stone walls ... million pound ...

A rendering shows how 46 post-tension cables drilled through stone walls will attach to the roof and base of the Salt Lake Temple to stabilize it during earthquakes. | The Church of Jesus Christ ...

Five years into the massive overhaul of the historic Salt Lake Temple, workers recently completed a three-year project to delicately drill 46 holes down ... on top of a base isolation system ...

The holes were reamed and now house "bundles of post-tension cables," part of the temple's "seismic base isolation system," the church said. "The steel cables are attached to reinforced steel ...