Crushed stone is a little more expensive ... Make sure the retaining wall blocks are dry before applying the adhesive. Overhang the capstones about 1 to 1-1/2 in. Joe and Jake use a scrap 2x4 ...

The goal? To build a 20 foot (6 meter) and 213 ft (65 m) long dry-stone wall as part of a park where the landscape was digitally planned, and the earth autonomously excavated. The coolest thing ...

ETH Zurich researchers have trained an autonomous excavator to construct a dry- stone wall 65m long and 6m high out ... site as well as finding suitable building blocks and rocks for the wall’s ...

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 ...