How can we bring more natural light into the airplane? So this airplane has no windows anymore, for example. What about the data and communication software which we need in the future? My belief is that the airplane of the future will get its own consciousness. It will be more like a living organism than just a collection of very complex technology. This will be very different in the future. It will communicate directly with the passenger in its environment. And then we are talking also about materials, synthetic biology, for example. And my belief is that we will get more and more new materials which we can put into structure later on, because structure is one of the key issues in aircraft design. So let's compare the old world with the new world. I just want to show you here what we are doing today. So this is a bracket of an A380 crew rest compartment. It takes a lot of weight, and it follows the classical design rules. This here is an equal bracket for the same purpose. It follows the design of bone. The