Spruce weaving baskets and for sewing together pieces of birch bark for canoes. See also Kiidk'yaas for an unusual golden Sitka Spruce sacred to the Haida people. Spruces are popular ornamental trees in horticulture, admired for their evergreen, symmetrical narrow-conic growth habit. For the same reason, some (particularly "Picea abies" and "P. omorika") are also extensively used as Christmas trees, with artificial Christmas trees often being produced in their likenesses. Spruce branches are also used at Aintree racecourse, Liverpool, to build several of the fences on the Grand National course. It is also used to make sculptures. The closely related species
Grand National them as formidable obstacles. After the 1989 Grand National, in which two horses died in incidents at Becher's Brook, Aintree began the most significant of its modifications to the course. The brook on the landing side of Becher's was filled in and, after the 2011 race which also saw an equine fatality at the obstacle, the incline on the landing side was levelled out and the drop on was reduced by between 4 and 5 inches (10–13 cm) to slow the runners. Other fences have also been reduced in height over the years, and the entry requirements for the race