Guangzhou, capital of Guangdong Province, is one of China’s main industrial centres, covering an area of 7,434 sq km, and with a population of over 6 million. The city is the communication hub of Guangdong Province, with railways and highways radiating in all directions, and convenient inland-water, coastal and ocean transport. Huangpu is the biggest seaport in the south, ranking fifth in volume of freight handled in China. Its airport stands also in the forefront in passenger transport. Guangzhou is south China’s biggest national-and-foreign-oriented city with flourishing commerce, and China’s chief foreign trade centre as well. The city, with its a long summers and mild winters, has flowers in bloom all the year round, hence its reputation as a "Flower City". Its scenic spots and historical sites include Guangxiao Temple, Liurong Temple and White Clouds Mountain scenic area. Efforts are being made to build Guangzhou into an international metropolis, functioning primarily as the biggest financial, high-tech and light industrial, communication and transport centre in South China.