Special Gallery 2020
Fifty/Fifty - Saving Water

Elias Günthner, Joshua Gritzner, Nico Prinz - Regional Contest Bonn Elias Günthner, Joshua Gritzner and Nico Prinz show their water-saving solution for cleaning swimming pools at the regional contest in Bonn
Miniforschung - St. Michael-Gymnasium Bad Münstereifel - Disclaimer, privacy policy, imprint