Lagos has also had a particular effect on my career. I was there early, and although it was a courageous step to go there and invest on this scale - I went there maybe 20 times - it's also been also super-controversial. There's an old school of thought that somebody like me has no place to go there.Because of colonialism and so on.

The great problem of the concert hall is that the shoebox is the ideal shape for acoustics but that no architect worth their names wants to build a shoebox.

But now sustainability is such a political category that it's getting more and more difficult to think about it in a serious way. Sustainability has become an ornament.

Architecture is a hazardous mixture of omnipotence and impotence. It is by definition a c h a o t i c a d v e n t u r e... In other words, the utopian enterprise.

The work in S, M, L, XL was almost suicidal. It required so much effort that our office almost went bankrupt.

Everyone is talking about sustainability and resilience, yet all that knowledge is thrown in the bin. [Lagos is] a unique case, but also a test case. It's unbelievably unique, but also it's now considered with a number of really generic opinions, generic solution, generic expectations.

Lagos was a city that had been turned against itself. There was a bridge that became the perfect trap for crimes, which began with nails being scattered to cause flat tyres. If the driver stopped, the car would be dismantled in 20 minutes and the parts thrown overboard [to people waiting below]. The system had turned into a kind of destructive device that could be used against people. That was the narrative.