Los Angeles	Located in America's Southern California, Los Angeles is America's second largest city with an area of 1,207km2 and a population of roughly 3,490,000 people. The climate along the coast is mediterranean, while the inland areas comprise desert plains. Founded as a city in 1850, it is highly developed as a financial and cultural city. Little Tokyo within the city is the social and financial hub of the Japanese-American community, while Hollywood, the movie capital of the world and Disneyland are nearby. The aerospace and electronics industries are also highly developed. Los Angeles Home Page
(Affiliated Apr.1,1959)
Mexico City	Mexico City is the capital of the United Mexican States cormmanding an area of 1,479km2 with a population of 18,850,000 people. It is the political, economical and cultural capital. Located at 2,200m above sea level, the city enjoys a warm climate with the four seasons heralding little change. On the cultural front, the Aztec culture flourished from the 14th to 16th centuries, then the area experienced the cultural influence of Spain through colonization. The city's own cultural identity was formed and then in 1824 it became the capital of the United Mexican States. The city's main arteries are lined with trees, historical monuments are dotted throughout the city, blending beautifully with the modern buildings.
(Affiliated Feb.16,1978)
Nanjing	Nanjing, capital of Jiangsu Province in the Southern reaches of China's Changjiang River, covers an area of 6,516km2 and including the suburbs has a population of about 5,170,000 people. The climate is temperate and slightly humid and is famous as a very green city with a hilly landscape. Nanjing's history dates back 2,400 years to the age of the Warring States and was formed by a number of dynasties. Later the capital was moved by the Ming Dynasty to Peking, which means Northern Capital, thus Nanjing was given its name, as it means Southern Capital. Nowadays it is a highly developed industrial city.
(Affiliated Dec. 21,1978)
Sydney	Sydney is the capital of the state of New South Wales and the heartland of Australia's commerce and industry, finance and culture. The Sydney metropolitan area has the largest population of Australian cities with about 3,540,000 people and an area of 12,407km2. The climate is warm. The city straddles Sydney Harbour and extends from South to North, with the busiest part of town and the administrative areas in the South. Sydney is thought as the founding city of Australia symbolizing the immigrants' first steps on Australian soil. Sydney Home Page
(Affiliated Sep.16,1980)