narrator: pudong's director of information.iang: shanghai is the largest indurial center for china, and it's also one of china's most economically developed areas. a lot of china's advanced scientific and technological development is centered in pudong. walcott: the americans are there in financial services, real estate services, education services, technology such as motorola, food services-- pepsi and coca-cola duking it out in the same industrial park. taiwanese are there-- huge semiconductor factories, billions of dollars of investment. singaporians are there in their industrial parks. germans are there in small and medium enterprises-- chemicals, petrochemicals. so it's a large and diverse foreign population essentially learning how to do business in china, both for export and for the vast domestic market they hope to develop. narrator: but all this growth presented a real problem for urban planners. shanghai's original port and airport are separated from pudong by the huang pu. some traffic flows through new bridges and t