Chicago: Using the Correct Viewpoint to Make the Painting Fit
The recovered Chicago solve depends on reaching a place where visual relationships in the image align with the real scene.
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Spatial / Geometric
Butterfly: Why Reading Direction Matters in a Visual Cipher
The Butterfly carrier is read around the border in a defined direction.
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Professor Egghead: Drawing Between Towns to Create a Search Area
The identified towns are joined on an Ordnance Survey map.
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How a Monument Shadow Defined the Final Masquerade Spot
The last-mile location uses the monument and its shadow as a real-world geometric pointer.
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How Masquerade Turned Figures into Straightedges
Eyes and visible fingers, toes, paws or equivalent digits act as geometric anchors.
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