Watch: 'Pointless' destruction at beauty spotpublished at 16:38 British Summer Time 12 June 2018
North Yorkshire Police have made a fresh appeal to trace vandals who damaged one of the rock formations at Brimham Rocks near Harrogate.
The boulder was destroyed after being pushed off a ledge at the well-known beauty spot.
Police said the vandals had put themselves and visitors at risk.
The rocks were formed about three hundred and twenty million years ago, when water, grit, and sand washed down from Scotland and Norway to form the landscape of Yorkshire: