People who are representing companies, which Chinese multimillionaire Chen Guangbiao claims pollute the environment, parade in front of discarded fireworks packaging during an event organized by Chen to publicly "shame" them and promote awareness on air pollution, in Nanjing, Jiangsu province, Feb 21, 2013.[Photo/Agencies]

People who are representing companies, which Chinese multimillionaire Chen Guangbiao claims pollute the environment, parade on a street during an event organized by Chen to publicly "shame" them and promote awareness on air pollution, in Nanjing, Jiangsu province, Feb 21, 2013. [Photo/Agencies]