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Winners of St. Michael-Gymnasium at the regional contest in Bonn |
| Louis Dorweiler, Hannah Wagner-Gillen and Johanna Bungart present their fungal barrier at the regional contest in Bonn |  |
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Simon-Stefan Köhl shows at the regional contest in Bonn how artificial intelligence can be used |
| Elias Günthner, Joshua Gritzner and Nico Prinz show their water-saving solution for cleaning swimming pools at the regional contest in Bonn |  |
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Benjamin Schmitz shows his improved hookah at the regional contest in Bonn |
