What does culture produce at a moment of change in our cities? How should a designer respond to the challenge of an urban population that is going to double over the next 30 years to 6 billion people? Oliver Lang talks about some of the concepts and projects his company is working on. From Pecha Kucha Night Vancouver #5. Technical note: The audio quality is not great. (Sorry!) You may need to listen with headphones. iPod-compatible video. (Right-click to download) Listen to the audio. (Right-click to download)