artist-mcescher: Flor de Pascua - Never think before you act, 1921, M.C. Escher
artist-mcescher: Flor de Pascua - Never think before you act, 1921, M.C. Escher -- source link
artist-mcescher: Flor de Pascua - Never think before you act, 1921, M.C. Escher -- source link