Yellowstone National Park is one of North America's oldest national wildlife preserves. The beautiful animals living in the park have never learned to fear people because they are protected and have never been given a reason for fear. When the monkey danced for the animals, they all applauded loudly. THen the camel tired to do a dance, but it was so awkward that all the animals laughed. There is much work going on in a big city at night.
Many factories operate night shifts of workers.
Hospitals are open and police and fire departments are on duty. Moring newspapers are being printed and sent out, some radio and television stations are broadcasting all night, and public transport maintains a limited schedule for late-night passengers. The pawnbroker is a person who lends money and keeps as security articles, such as clothing and jewels, that belong to the borrower. The sign that pawnbrokers use originated as the design on the coat of arms of wealthy family in the Italian city of Florence. The Hwang Ho is the second largest river in China.