To work in architecture you are so much involved with society, with politics, with bureaucrats. It's a very complicated process to do large projects. You start to see the society, how it functions, how it works. Then you have a lot of criticism about how it works.

I see the Beijing National Stadium as an architectural project. I accepted Herzog and De Meuron's invitation to collaborate on the design, and our proposal won the competition. From beginning to end, I stayed with the project. I am committed to fostering relationships between a city and its architecture.

The 'Bird's Nest' National Stadium, which I helped to conceive, is designed to embody the Olympic spirit of 'fair competition.' It tells people that freedom is possible but needs fairness, courage and strength.

Everyone wants an iPhone, but it would be impossible to design an iPhone in China because it's not a product it's an understanding of human nature.

I see the Beijing National Stadium as an architectural project. I accepted Herzog and De Meuron's invitation to collaborate on the design, and our proposal won the competition. From beginning to end, I stayed with the project. I am committed to fostering relationships between a city and its architecture.