Author: Kenichiro Shimura, Katsuhiro Nishinari, Claudio Feliciani. Crowds are a constant presence in most cities around the globe and mass gatherings are attracting an increasing number of people. After letting people laugh about the controversy on colliding pedestrians, with this book, two of the Ig Nobel laureates on pedestrian traffic will make you think (and learn) presenting through a collaborative approach, combining theoretical with practical advice, the science behind crowd dynamics and the importance it plays in our increasingly urbanized society.