the g-20 marks a coming of age for south korea, building on its economic credentials as an asian giant, but many here still remember a time when prosperity was barely a dream. , capital of seoul korea. >> at the end of the korean war, seoul and its people were struggling to survive. archives show a ruined city, major thoroughfares reduced to rubble. this is the very same seoul street nearly 60 years later. it has been a remarkable transformation from being an international battlefield. south korea literally rose from the ashes, transforming itself from one of the world's poorest countries to one of the richest. and the transforming is still going on. seoul is a city of continuous construction, spending the money that flowed in from the high- tech korean brands that have gone global. it means south korea has experienced opposite ends of the wealth spectrum all in the space of a generation. wein the 1960's and 1950's, received development aid from other countries. we want to give the to other communities, what we have received. >> are there lessons for the developing world in what you ha