Crossing Continents: South Korea - A Room with a View

How the subterranean dwellings of South Korean capital Seoul - known as banjihas - are just one example of a growing wealth divide in Asia's fourth-largest economy. With almost half of the country's population living in Greater Seoul, the struggle to find affordable housing has become a major political issue. Last August, parts of Seoul experienced major flooding. As a result, several people, including a family of three, drowned in their banjiha. Presented by John Murphy