The battle to save Bangkok's 'Green Lung' The Bang Krachao neighbourhood of Bangkok, known as the 'Green Lung', is one of the last remaining spaces in the Thai capital not to have been overrun by skyscrapers and shopping malls. Thai authorities recently pledged to preserve the area, in keeping with the wishes of the late King Bhumibol, but environmental activists complain that more and more land is being sold off for development. A voiced AFPTV report.