Buy your tickets for the Symposium 2023Simon Stev-in the Air: Engineering the sky The ticket sale will start at 06-02-2022. For more information about the event click here! 30-05-2023 8:30 – 18:30 Skills development Member – full day ticket € 5,00 Read more Member – half day ticket € 3,00 Read more Regular – full day ticket € 15,00 Add to cart Regular – half day ticket € 7,00 Read more