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Contact: Anna Mikulak
Association for Psychological Science

Hong Kong Peak Tram Illusion

Caption: In this schematic diagram of the Hong Kong Peak Tram illusion, the angle θ illustrates the approximate deviation of the perceived tilt relative to gravity for a mountain slope of α.

Credit: Chia-huei Tseng et al. (2013). Falling Skyscrapers: When Cross-Modal Perception of Verticality Fails. Psychological Science. DOI:10.1177/0956797612472344

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Related news release: Hong Kong skyscrapers appear to fall in real-world illusion

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