← Archive · 2026-06-23

Case: Place du Forum, Arles, France

Image: Cafe Terrace at Night by Vincent van Gogh, photographed by Paul Hermans, Wikimedia Commons, Public Domain. · source

The answer

Place du Forum, Arles, France · FR · 1880s

How the AI detective did

The AI placed its guess 28 km from the real location (it guessed Nîmes, France).

With the full clue set, the AI was sure of a gaslit Provençal terrace — but pinned Nîmes across the Rhône and misread the lamps as early electric, dating it 1912.

The evidence the AI read

• architecture: A bright street facade, outdoor tables, and tight perspective form the main visual structure. — This suggests a compact southern European town square rather than a rural scene.
• climate: Open-air seating, warm walls, and shuttered buildings point to mild evening street life. — A Mediterranean or near-Mediterranean setting is plausible.
• era_marker: The medium, brushwork, and gaslit night palette point to late nineteenth-century painting. — An 1880s answer is more plausible than a modern photograph.
• terrain: The scene is framed by a small urban square, narrow streets, and no visible waterfront. — The pin should target a historic town center instead of a regional landmark.

Think you can out-read the AI? Play today’s case →