Canada is located in northern North America.East Atlantic,west Pacific Ocean,south United States.It has the world's longest national coastline.The Canadian flag is formed by red and white,and is painted with a central angle of 11 red maple leaves.Maple ,Canada's national tree,is the symbol of the Canadian nation.The capital city is Ottawa.Toronto is the largest city.Cities like Vancouver and Montreal are also very famous .The official language is English and French.Canada is the world's richest countries,which is one of the Western Group of Seven homes and one of the world's top ten trading nations.Manufacturing and high-tech industries have a good devolopment there.