1.Sichuan Basin is in southwest China,the provincial capital Chengdu is located in the central basin.Population of more than 8000 million
2.There have lots of world famous scenic spots,like Jiuzhaigou(in south of SiChuan),Haizi lake(clean and colurful),Dujiangyan Irrigation Project(50 kilometers west of Chengdu)it has about 2000 years of history; still play a role
3.Climate; accessibility