2010.7.28
https://www.youtube.com/watch?v=vFfukcqweZg
https://www.youtube.com/watch?v=BGeIeUecwEg
https://www.youtube.com/watch?v=7_NbySCUBEc
https://www.youtube.com/watch?v=USnWtFRXcx4
https://www.youtube.com/watch?v=uxB8YDlQOrg
https://www.youtube.com/watch?v=4vzBBhQqFOw
https://www.youtube.com/watch?v=kd5fugIkMHc
https://www.youtube.com/watch?v=5EqQQqPxjnQ
https://www.youtube.com/watch?v=hcWg-p9ILoo
https://www.youtube.com/watch?v=BlfK6lQyTnI
https://www.youtube.com/watch?v=iBzAlLg6LDk