Brecon Beacons National Park
Contract from Brecon Beacons NP Authority for a novel green roof made entirely of locally sourced woodland mosses follwing the restoration of the historic gunpowder works on the Afon Mellte above Pontneddfechan (LINK https://www.breconbeacons.org/things-to-do/attractions/heritage/industrial-and-rural/gunpowder-works)