A blue orb is photographed outdoors at Pevensey Castle in East Sussex, England.
"I was walking through the castle with my baby grandchildren, taking pictures, as you do. When I got home, I looked at them." - Karen R.
The cause of the orb is not known. There doesn't appear to be any light reflection or moisture. The color is striking...
"(The photo was taken) on the 30th of May 2015 at 6:30 in the evening."