Tropical South America 15s 70w
15°S, 70°W · Bridget Riley · 2026-08-17
Bridget Riley2026-08-17Bridget Riley2026
Creative Rationale
Over the high Andes of southern Peru and northern Bolivia, where extreme altitude creates uniquely thin atmospheric conditions, the unusual pressure reading of 635.7 Pa confirms we're above 4,000 meters in this mountainous tropical region. The gentle 3.0 m/s northerly wind translates into moderate undulation frequency in my geometric patterns, while the steep pressure gradient of 338.18 Pa/cell demands tightly packed parallel lines that create intense optical vibration. The cold temperature anomaly of 2.8 K shifts the palette away from Riley's warm coral progressions toward her stark early black-and-white optical works, with the high humidity of 82% adding subtle gray transitions between the pure contrasts.
License: CC BY-NC-ND 4.0. Attribution: James Tannahill / art.jamestannahill.com. No commercial use or derivatives without permission.