"Ecology is the process by which organisms interact with each other and their environment, with the environment as a stage and ecology as the performance." (Ecology: A Very Short Introduction, Jaboury Ghazoul, Oxford: OUP, 2020) On the subject of "interaction" from the aspect of ecology, there are gaps between physical phenomenon and virtual phenomenon, between our sense (perception, cognition and recognition) and measurement, the fact what that is. (Normative and Normativity) Thereby, I dealt with these topics through art in the artistic research "Silence surrounds us, silence around us" – X.