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
National Hunt racing is run over a distance of more than 4 miles, there are up to 40 runners, the course at Aintree is essentially flat, and the horses are handicapped (the best horses carry the most weight). Perhaps the most fundamental difference is that the Grand National fences are far bigger than the fences at Cheltenham, and a number of fences incorporate significant drops. The most famous fence is Becher's Brook which is 5ft high, but has a 7ft drop on landing and is widely regarded as the biggest challenge on the course. Famous winners of the Grand National include Red Rum