Taiwan actor Alec Su makes a service advertisement in a supermarket in Beijing on July 4, 2007.

Taiwan actor Alec Su has finished helping make a series of public service advertisements in Beijing with mainland director Feng Xiaogang.

The theme of the latest advertisement is to encourage awareness about environment protection and public order. The latest commercial, shot on July 4, was the seventh and last of Feng's public service advertisements.

They were filmed in a supermarket in Beijing's central business district.

Filming began at 6 PM to avoid interrupting the business. 

Taiwan actor Alec Su talks with director Feng Xiaogang about a public service advertisement in Beijing on July 4, 2007.

(CRI.cn July 6, 2007)