Richard Jones noticed the ghostly figures when he snapped his five-year-old niece Amy Jones at Tamworth Castle Grounds in Staffordshire.
Originally the 38-year-old didn't notice anything strange about the photo as it was bright daylight.
However, once he got home, a baffled Richard spotted the celestial outlines in the trees behind his niece.
Richard said: "When I noticed the figure I was confused.
"I can't quite make out what they are, but it looks to me like two figures.
"It could be two knights carrying a shield – which would make sense as it was by the castle.
"What's so strange to me is that there is absolutely no colour – it's all white."
Read Full Story: Mirror UK