The Cottingley Fairies was fake fairy photography by two girls who were playing innocent at the time. Little did they realise how famous their photos would become and both felt too embarassed to talk about it again. Later when they were old ladies, they admitted it was all play and the fairies were little cut outs with hat pins sticking in the soil. But one photo was strange. One of the girls did take a photo that revealed actual fairies that are see through and cloudy. This is the real fairy photo by the girl: