This is an infographic explaining the Cos4Cloud ‘journey’ and legacy. In particular, it describes in a few interactive and visual slides the Cos4Cloud story from the beginning until the end; you will understand the project value, what challenges the project has addressed in the citizen science context and which products, services, methodologies and results Cos4Cloud has produced for anyone to use them. You can also access the interactive version: https://cos4cloud-eosc.eu/infographic/