Venice

   This beautiful city in northeastern Italy is built on about 120 small islands. The city has no roads. Instead, people use boats to travel along the canals (运河). Flat-bottomed boats called gondolas were once the main means of transportation. You should see St. Mark's Square-the center of activity in this city. It has wonderful buildings.

Chicago

    This American city is the main business and cultural center of the Midwest. It is famous for its music, opera and theaters. It also has excellent museums. When shopping in this city, you can visit a long row of fashionable stores on North Michigan Avenue. One of the world's tallest buildings, the John Hancock

  Center, is also on this avenue.

Rio de Janeiro

    Travelers use many words to describe this South American city: beautiful, sunny, friendly and exciting. It is the city of the Carnival (嘉年华 ) , when everyone dances the samba in the streets. Tourists also love to visit its wonderful beaches and mountains. You should not miss the National Park of Tijuca-one of the largest city parks in the world.