idea into the future. with world trade growing, it's important that we do something to reduce co2 emissions by up to 40% by 2030. we are using a rigid wing. this is where you get the different ones. that's where you have the most power. you could see it as an airplane wing that you put up on the ship. measuring the flow that is actually clear is really difficult. this vessel here is seven metres long, mainly made out of glass fibre. the full—scale ship will be around 200 metres long, roughly around 80 metres in height. and the ambition is that this will sail at the end of 2025 or early 2026.