Chinese multimillionaire Chen Guangbiao demonstrates how to use his canned fresh air near a busy street in central Beijing, Jan 30, 2013. Chen, who made his fortune in the recycling business and is a high-profile philanthropist, on Wednesday handed out free soda pop-sized cans of air, purportedly from far-flung and pristine regions of China. [Photo/Agencies]

Cans of fresh air are seen piled up before being given away by Chinese multimillionaire Chen Guangbiao, near a street on a hazy day in central Beijing, Jan 30, 2013. [Photo/Agencies]