Ai Weiwei

Historically, China is not a nation of sportsmen. We traditionally put more emphasis on being close to nature than pushing endlessly to excel. A philosophy that values tranquil contemplation of the landscape cannot easily be adapted to the Olympic slogan of 'higher, stronger, faster.'

So maybe there are three parts in my life - earlier background living in exile in Xinjiang in a very political circumstance, then later the United States from 24 to 36 years old. I was quite equipped with liberal thinking. Then the Internet. If there is no Internet, of course, I cannot really exercise my opinion or my ideas.

The Olympic Games are highly commercialised. They purport to follow the traditions of an ancient athletics competition, but today it is the commercial aspect that is most apparent. I have seen how, through sport, cities and corporations compete against each other for financial gain.

Prime Minister Cameron says he wants to be the greenest government ever, but the definition of green is immature... I don't deny for a moment that CO2 is a greenhouse gas, but there are so many other factors that affect climate. It is more complicated than the computer models that we are using. What the truth is, nobody knows.

The question is not whether Tibet should be independent but the extent of the autonomy that it is allowed. Tibet has been firmly ensconced as part of the Chinese empire since the Qing dynasty's military intervention in Tibet in the early 18th century.