1.Around the world     

Washington D.C. and New York are big cities on the east coast of the USA. Washington D.C. is the capital of the USA. It's a big city, but it's smaller than New York.  New York is bigger than Washington D.C. 
     New York is a busy city. It's a bigger, busier and noisier than Washington D.C. The population of New York is larger than that of Washington D.C.  New York is more beautiful than Washington D.C.  The buildings in New York are taller than the buildings in Washington D.C.