Everything that we start is something that we don't know what the outcome is going to be.

For me, every one of our projects is a research-and-development project.

The Garden Bridge has not found its right moment, but I hope one day it will and that London continues to be open to ideas that make life here better.

My studio's passion is improving the public experience of cities for everyone.

I don't enjoy the sound of my voice in front of other people.

I used to say I'm not a business. I'm not! But I've had to come round to it, to acknowledge that you had to be an organisation and had to have a business dimension in order to do your passion.

I thought I wanted to be an inventor but then discovered you couldn't study inventing!

When I was little, I just was very tuned in to the functionality and aesthetics of things around me.

The studio does projects all over the world, and in each place, we focus on trying to make a project specific to that place. We take a different perspective everywhere we work - our passion is public projects, wherever they are.

Historically, in the world of architecture, enormous amounts of care and energy have been lavished on things that are almost a cliched idea of culture.