Los Angeles is the largest city in California and the second largest metropolis in USA. It is not only the world-famous entertainment center, but also the city with thick cultural taste. In Los Angeles, there are always some novel things waiting for you to experience. You may meet with the stars leaving their names on the legendary “Walk of Fame”, and even visit these stars, or appreciate the “Hollywood Sign” in Griffith Park in Mount Lee, which is the most famous landmark in the world, or visit the film kingdom “Universal Studios Hollywood”, or experience the intensity and passion in Disneyland as the sea of joys.... Wonderful entertainment activities, plus the pleasant climate in four seasons, as well as the endless beaches, have made this place very charming. Los Angeles is a very famous urban agglomeration with the same core. From the type, Los Angeles has the establishment of various county and city systems; but from the urban pattern, Los Angeles is a metropolis consisting of nearly 100 cities with same core. These cities are arranged on the rectangular plot covering nearly 10,000 square kilometers, with distinctive profile in a compact and orderly manner. Los Angeles does not have a urban center playing the decisive role, and every day, millions of vehicles do not flow centrically or radially to a central point of a city.