The Secret World of Disneyland  The cat It is not easy to keep the park clean. Every night after the closing time, about 200 cats will come into the park. Because of them, there are few pests in the park. They are nice workers in the park. The light In the 1950s, Walt Disney had an apartment in the park. When the light in the house was on, people would know that the owner of the park was in. Today, the light always stays on in honor of him. The Hidden Mickey At Disneyland, Mickey Mouse logos are everywhere. However, there are hundreds of "Hidden Mickeys" in the park. They are often different to find. No one knows how many "Hidden Mickeys" there are in the park. There are few pests in the park because of   _  .
the cats the cleaners the light the workers