If one focuses on Large Research Infrastructures in Physics particularily, they can observe the following: - In the European Astroparticle Physics Strategy (2017-2026) https://www.appec.org/roadmap on page 11 - Societal Issues- one can see: ".. A combination of excitement about the mysteries of the Universe and spectacular discoveries easily spark public interest, giving rise to a surge of outreach activities that in turn capture the imagination of all kinds of people and increase the skills base for the future" -->

--> In the same document "..Given the rapid expansion of the field of astroparticle Physics, APPEC encourages (e.g in collaboration with IPPOG) the exchange of best practice in the sphere of outreach. At its frontier research facilities, APPEC will implement more structured organisation of dedicated astroparticle physics summer schools and studentships" These were written in the early days of citizen science in large research infrastructures, about 3 years before REINFORCE and definitely show the interest of Research Infrastructures for reaching out effectively.

In the updated European Strategy for Particle Physics (https://europeanstrategy.cern/... ), one of the major recommendations is: "Exploring the fundamental properties of nature inspires and excites. It is part of the duty of researchers to share the excitement of scientific achievements with all stakeholders and the public...." (pg 13)

In the Snowmass Meeting 2022 in USA (https://indico.fnal.gov/event/... ) emphasis was given to public engagement. A paper was produced to discuss structural changes required to facilitate effective engagement between the Particle Physics community and general public in the US. (https://indico.fnal.gov/event/... ) These three documents (APPEC Roadmap, European Particle Physics Strategy and Snowmass paper) one can see the growing interest of fundamental Physics community to effectively reach out to the public. The ground seems to be fertile for citizen science.