Brushwood and scrubby trees grow on the canyon slopes, which can accommodate the dry season. The roofs were supported with wooden posts, and roofed with brushwood and reeds. Birch brushwood is used for racecourse jumps and besom brooms. It was then divided into 60 smaller paddocks using Brushwood fencing. Bundles of straw, wood, or brushwood may not serve as sukkah-covering. They were often constructed of layers of brushwood and rubble. On the road from Sorel, Nelson placed overturned wagons and lattices of heavy brushwood. Wooden posts supported the roofs, which were probably thatches with brushwood or animal hides. It was set on a base of logs and held together by branches and brushwood. He accomplished this by incorporating a layer of brushwood and heather. The roof was flat with a thick layer of clay over brushwood. A brush-faggot (sometimes shortened to brush) was a bundle of similar size made of brushwood. The purpose of the brushwood covering the logs remains unclear. The superstructure was probably made of brushwood. By late 2018, of brushwood barriers along the coastline had been completed.