This abstract design is the stunning colours of a stained glass window lighting up a wall in the Catedral de Havana. Dedicated to Saint Christopher – San Cristobal , this church was built around 1777 in the Baroque style.
I saw this strange sky view (not a Sundog) and had to check out what it was. Wikipedia says, “Iridescent clouds are a diffraction phenomenon caused by small water droplets or small ice crystals individually scattering light.”