A major repair to fix cracks and holes in Stonehenge's stone circle began on Tuesday.
According to the English Heritage, the organization in charge of the operation, the repair work is one of the biggest conservation jobs at the world heritage site in decades.
The work at one of the world's most famous prehistoric monuments whose stones date back some 45-hundred years, will fix problems caused by erosion, as well as fix previous repairs which were later uncovered thanks to detailed laser scans.
Stonehenge went through two major repairs previously.
The last major job was conducted in 1958, after several fallen stones were hauled back in place, while the first restoration project was done at the start of the 20th century, after horizontal stones had fallen off the monument.