Reporter: How many changes did you make along the process?

Han: We all together have more than 4000 manuscripts inside the process and more than 60 changes were made to the prototypes.

Reporter: Styles may differ within a designing team. Were there any disputes?

Han: Sure. You may like a color others don't like; you may favor a image others don't favor. We used to think about the proposal of rattle-drum, but when a drum was added legs, it turned out somewhat unacceptable to me. So we dropped it.

Reporter: You were severely sick during the period?

Han: Yes, two times of heart-attack, but I was back after receiving emergent surgeries.

Reporter: How much did the Olympics organization committee pay for your work?

Han: I don't want any payment, besides the copyright, but the committee rewarded me one yuan.