Before you start building a stone retaining wall, it's important to assess your garden's landscape and determine where the ...

Our experts prefer crushed stone for the base rather than naturally ... which stays flexible over time. Make sure the retaining wall blocks are dry before applying the adhesive.

ETH Zurich researchers have trained an autonomous excavator to construct a dry- stone wall 65m long and 6m high out of random rocks and building waste. Using sensors including cameras and lidar, it ...