On the Great Ten Thousand Li Wall, Begun in the Wars of the Spring and Autumn to keep the Mongols who had been camping nearer and nearer the Yan border from riding in hordes on their przhevalskis into the cobbled streets and ginger gardens of the Middle Flower Kingdom, Richard Nixon said: — I think you would have to conclude that this is a great wall. ("The Richard Nixon Freischütz Rag")