A member of the Traffic Psychologists gets off a bus as he holds a banner that reads "Free Hugs" during his performance in Sao Paulo, Brazil, July 23, 2012. Traffic Psychologists is a non-profit non-governmental organization which aims to humanize traffic and reduce the level of stress caused to drivers. Sao Paulo has more than 7 million vehicles, according to figures from the state transport authority Detran. [Photo/Agencies]

A member of the Traffic Psychologists (R) hugs a driver while performing along a road in Sao Paulo, Brazil, July 23, 2012. [Photo/Agencies]