Probably the News section would be best.
The problem with this 3-day pass is that you need an international flight that connects in Guangzhou. There aren't many of those as most airlines choose HK, Taiwan, or Singapore.
I think it's meant for international fair attendees, or shoppers that want to just want to quickly check GZ on their way elsewhere. It makes more sense in Beijing where you can hit a few tourist destinations in 1-2 days.
Also, the GZ airport is far from the city and far from the train station that goes to DG and SZ (GZ East Train Station). There is a MTR, but plan on almost an hour and a transfer. From landing to a spa in DG I would plan for 5 hours of travel and you will be exhausted.
Much better to try and get a 1 day layover in Macau.
Here is a link to the article:
http://usa.chinadaily.com.cn/chi ... ontent_16863895.htm