Los Angeles is a city and county seat of Los Angeles County, located in Southern California, USA. UU. It is the second most populous city and metropolitan area in the United States, with a population of approximately 3.8 million people. The city is home to Hollywood and its entertainment industry, numerous singers, actors, celebrities and other artists.
It is also home to many different cultures and languages, with more than two hundred different languages spoken by its citizens.The charter of the City of Los Angeles, ratified by voters in 1999, created a system of advisory neighborhood councils that would represent the diversity of stakeholders, defined as people who live, work, or own property in the neighborhood. These councils are relatively autonomous and spontaneous, as they identify their own boundaries, establish their own statutes, and elect their own officials. There are about 90 neighborhood councils in Los Angeles.Los Angeles residents choose supervisors for supervisory districts 1, 2, 3 and 4.In addition to the rail service provided by Metrolink and the Los Angeles County Metropolitan Transportation Authority, Los Angeles has intercity passenger trains from Amtrak. The city's main train station is Union Station, just north of the city center.In addition to these services, there are numerous additional colleges and universities outside city limits in the greater Los Angeles area, including the Claremont Colleges consortium which includes some of the most selective liberal arts colleges in the U.
S. UU. The city also contracts directly for local and commuter bus service through the Los Angeles Department of Transportation (LADOT).Los Angeles is the only major city in the United States divided in two by a mountain range; four mountain ranges extend to the city limits. This rugged terrain has required having different networks for each of the valleys that Los Angeles covers.The city has experienced small waves of European immigration in the late 19th and early 20th centuries, and has significant populations of German, Greek, Irish, Italian, Romanian, Romani, Polish, Portuguese, Serbian, Spanish, Lebanese, Croatian and Ukrainian descent.
Chinatown and Thaitown are also home to many Thais and Cambodians.Los Angeles fought the Watts riots in 1965, the strike by Chicano high school students in 1968 and the Chicano Moratorium of 1970 representing the city's racial conflicts. The 2000s saw an increase in urban remodeling and gentrification in various parts of the city.According to a drug threat assessment conducted in May 2001 by the National Drug Intelligence Center, Los Angeles County was then home to 152,000 gang members organized into 1,350 gangs.The port of Los Angeles is located in San Pedro Bay in the San Pedro neighborhood approximately 20 miles (32 km) south of the city center. Air quality problems in Los Angeles and other major cities led to the passage of early national environmental legislation including the Clean Air Act.The goal here is to provide a mental tool that can help impose a provisional order on the dense mosaic of places in the Los Angeles region.