stranger world on Instagram: "The post shares a 60-second video montage of real-world optical illusions, including a pool seemingly spilling into the ocean and a train track blending with water, demonstrating how perspective tricks deceive depth perception. These illusions arise from the brain's misapplication of visual constancy mechanisms, where contextual cues lead to erroneous size and distance judgments, as supported by peer-reviewed studies on early visual processing errors (e.g., Gregory,