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relativity (escher)

absurdres cube fine_art_parody heart highres linkitch m_c_escher maurits_cornelis_escher no_humans parody portal_(series) portal_1 relativity relativity_(escher) stairs sentry_turret_(portal) valve aperture_science_weighted_companion_cube
absurdres cube fine_art_parody heart highres linkitch m_c_escher maurits_cornelis_escher no_humans parody portal_(series) portal_1 relativity relativity_(escher) stairs sentry_turret_(portal) valve aperture_science_weighted_companion_cube