Ninth-Century Artifacts to Be Protected from Construction Vibration.

The article reports on the expansion of the Vikingskipshuset, the Viking Ship Museum, a cross-shaped structure housing three ninth-century Viking vessels, located at Bygdoy in Oslo, Norway. The ships remain on-site while expansion of the museum is undertaken, wherein a new wing is to be carefully engineered so that the fragile ships affected by dust or debris during construction or by vibrations induced by construction or visitors.