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...
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"(The photo was taken) on the 30th of May 2015 at 6:30 in the evening."