Buffalo Hill (Hong Kong) can be identified by its uniquely shaped Buffalo's head peak. Eight valleys associated with six streams lie around the slope of the hill. The biggest stream and valley flows along the north-eastern slope of Buffalo Hill and into the Shing Mun River. The entire hill is composed of exposed basalt rock, with some smaller granite deposits also present. The peak of Buffalo Hill is covered by grass and small shrubs, while the valleys are lush with forests. Different types of grass, including Couch grass, Bermuda Grass, Manila Grass and annual bluegrass, grow on the slopes of the hill, while the
Carpet structural weft threads alternate with a supplementary weft that rises at right angles to the surface of the weave. This supplementary weft is attached to the warp by one of three knot types (see below), such as shag carpet which was popular in the 1970s, to form the pile or nap of the carpet. Knotting by hand is most prevalent in oriental rugs and carpets. Kashmir carpets are also hand-knotted. Pile carpets, like flat carpets, can be woven on a loom. Both vertical and horizontal looms have been used in the production of European and oriental carpets. The warp threads