With the Olympics approaching, Sony’s Stephane Clauss examines how the latest camera technologies can help cities cope with the huge crowds attending major events. This August will see more than 10,000 athletes head to Rio de Janeiro for the Olympics Games. Alongside them will be their coaching staff, a hoard of logistics teams, thousands of volunteer marshals (London 2012 had 70,000) and millions of spectators. All such major events have nervous jitters on the way to the opening ceremony. This year has see