On China time: Holiday dates for 2010

In case your work or school hasn't given out the sched yet, here's what holiday dates in China will look like in 2010. Like 2009, Chinese people will get 29 days of holiday in total. Once again, National Day and Chinese New Year will both garner seven days of vacation, but cause people to need to work on the weekend either before or after. Why do they do that?!