In a map of the world you can easily find two big cities, London and New York. London is the biggest city in Europe. New York is the biggest city in America. The streets in London are crowded and there is one of the world's biggest underground railway systems(地铁系统) .The streets in New York are just as crowded as those in London. And the New York subway carries more people each day than the London underground. There are a lot of big stores in these two cities. But New York has more supermarkets than London.
In London there are many palaces(宫殿) and churches, for example, St. Paul's. New York isn't as old as London, and it hasn't got many old buildings. But its skyscrapers(摩天大楼) are much bigger than the buildings in London.
London has more parks than New York, But New York's Central Park is much bigger than the biggest park in London.
