The animation illusion is created by putting the viewer in a linear motion, parallel to the installed picture frames.
ðɪ ˌænɪmˈeɪʃən ɪlˈuːʒən ɪz kɹiːˈeɪɾᵻd baɪ pˈʊɾɪŋ ðə vjˈuːɚɹ ɪn ɐ lˈɪnɪɹ mˈoʊʃən, pˈæɹəlˌɛl tə ðɪ ɪnstˈɔːld pˈɪktʃɚ fɹˈeɪmz.