“Mexico City, the largest and oldest urban agglomeration in the American continent. The city is home to an incredible diversity of people and cultures, and its size and its diversity also poses certain challenges. In a city with such big scale (the metropolitan area measures 4,887 mi2) transportation is one of its main problems. Finding … Continue reading A Gargantuan Challenge for The Megalopolis: Mexico City calls citizens to help map its complex public bus system