Sergei Isupov, “Nature is Within Us”, 2022 Sergei Isupov, "Nature is Within Us", 2022, porcelain, underglaze, glaze, 13.5 x 12 x 10". Sergei Isupov, “Nature is Within Us”, 2022, porcelain, underglaze, glaze, 13.5 x 12 x 10″.