Wouldn't be nice to sail down the Yangtze River, spend a night with a family here their songs and learn their culture. On the same hand, BEIJING!!!!!!!!!!!!!!!
Go see the Yangtze River. Even with all the changes Beijing's going through, the Great Wall and the Forbidden Palace will always be there. But with all the changes to the Three Gorges, Yangtze River might not look the same later on. If you want to go check out the cultural side of the river and its people, go before they "develop" the area.