Chinese multimillionaire Chen Guangbiao (C) parades people representing companies, which he claims pollute the environment, during an event organized to publicly "shame" them and promote awareness on air pollution, in Nanjing city, East China's Jiangsu province, Feb 21, 2013.[Photo/Agencies]

People visit during the media preview of "China's Terracotta Warriors: The First Emperor's Legacy", at the Asian Art Museum in San Francisco, the United States, Feb 21, 2013. [Photo/Xinhua]