Achema, Frankfurt, 202210-06-2022 Joint Institute for Nuclear Research, Dubna, 202126-01-2021 Radboud University, Nijmegen, 202026-01-2021 IYPT closing ceremony, Tokyo, 201926-01-2021 Green Planet museum, Cherepovets, 201926-01-2021 Russia Africa Summit, Sochi, 201926-01-2021 Gorni Mining Museum, Saint Petersburg, 201926-01-2021 Mendeleev Congress, Saint Petersburg, 201926-01-2021 IUPAC Centenary Celebration, Paris, 201926-01-2021 Phosagro, Moscow, 201926-01-2021 IYPT opening ceremony, Paris, 201926-01-2021 Chains, Veldhoven, 201826-01-2021