<p>Chinese authorities have just announced the end of the controversial one-child policy. The decision is aimed at correcting a worsening imbalance in the country's demography. As often with this colossal nation, China is tackling problems with ambitious, large-scale policies. This report looks at another big challenge - overcrowding in China's cities - and the mega-metropolis solution being proposed in Beijing.</p><br />A programme prepared by Patrick Lovett and Elom Marcel Toble<br /><br />Visit our website:<br />http://www.france24.com<br /><br />Like us on Facebook:<br />https://www.facebook.com/FRANCE24.English<br /><br />Follow us on Twitter:<br />https://twitter.com/France24_en
