We were so ready [with Valerian] that we were early, which is unheard of in the history of the sci-fi film.

You know sometimes you're in a position of risk and you feel that you can turn good or bad.

My concern 99% is about the storytelling, the emotion and all this. I never think about the format of anything until way far in the process and when we arrive to the fabrication of the thing then we start to say, "Okay right, what is the best thing we can do." I choose the car before to choose the color.

If you're someone from the government and you meet people from other countries, you want to know who you're dealing with. It's the same for them [in Valerian].

Cara [Delevingne] I wanted to be sure that she would be involved. 'Cause she didn't do a lot of films before I met her, so I didn't know if she was serious and so I push her a bit.

For example, in your house, you have the heater on the ground itself. Here, it's the gravity. No matter where you are, that's where the gravity is coming from. It's almost like a carpet that you put down. If you're on the other side, it doesn't matter to us because we're still walking on the ground. Actually, at the beginning of the film [Valerian], we see when they install the gravity system.

We were so ready [with Valerian] that we were early, which is unheard of in the history of the sci-fi film.