Welcome to Shanghai,the cosmopolitan city in east China and the economic powerhouse in East Asia.Now with a population of 20 million,the city has taken on a leading role in the"reform and opening-up"initiative of China as well as the countrys industrial upgrading and technological innovation.So where does Shanghai derive its unique glamour that has attracted people to live,to work,or to take a sightseeing tour?At dawn,the rosy clouds rise against the Oriental Pearl TV Tower in Lujiazui;at dusk,the setting sun paints a golden sheen on Huangpu River.