and “The Dawn Wall” (2017), the record of a milestone in big wall free climbing, when in 2015 Tommy Caldwell and Kevin Jorgeson ascended the towering buttress of El Capitan in Yosemite.

A four-mile (7km) dry stone wall is being built to help a major new commuter road blend into its Cotswolds surroundings. Twelve stonemasons have already spent a year constructing the wall ...