Thailand, was once called as Siam, was the only country in mainland of Southeast Asia was never colonized. Bangkok, Thailand's capital is originally built on a network of canals, which is used for transporting goods and the only big city, and is very crowded. A quarter of the Thailand land is utilized for cultivation, the chief crop is rice. Annually, 21488906 tons of rice is produced. The basis for the Thailand diet is rice, usually by five other dishes, that is flavored with coriander and fish sauce. The country employs more than half of its population in farming, and the important crops include cassava, sugarcane, bananas, pineapples, coconuts, jute, and cotton. Thailand is the world's biggest exporter of canned pineapple and a leading producer of rubber. Fifteen percent of the Thai workers are employed in the manufacturing industries, and thus leads in the production of electronic goods. Thai mines precious stones.