How Many Faces Can You Spot? Your Answer Reveals Your Observation Power!

04/7: Two faces on the arch's left side

Focus on the left flank of the same arch. Negative space between two pillars morphs into a trio of hidden faces, echoing the famous Rubin’s vase illusion in reverse. Instead of a vase, the pillars shape multiple profiles that gaze in different directions, turning simple architecture into living character.