It was captured on camera at an area close to the great man-made mound of Silbury Hill, Wiltshire.
As many other crop circles previously spotted in the area, it seems to follow the Yin and Yang theme.
The green and then golden fields of the world's crop circle capital of Wiltshire have spawned an array of patterns in the past that have fascinated those who seek them out.
Enthusiasts and experienced crop pattern hunters have often spotted formations appearing close to these sacred sites.
The crop circle season extends from April to harvesting in September, and is believed to be worth millions of pounds to the local economy.
Windmill Hill is thought to date to the Early Neolithic period some 5000 years ago, 3700 BC and was constructed as a causeway enclosure. It is the largest known of its kind measuring 21 acres (8.5ha).
It consists of three rings of concentric ditches, which were probably dug out in the same manner as the deep Avebury ditch, using antlers and oxen shoulder blades.
It was a major task taking many man-hours over many years.
It is thought that the camp was at its most important as a farming community during a relatively peaceful and prosperous time of approximately 3000- 3500 years until the advent of the Romans when their presence is evidenced by traces of a villa found on the western slopes of the mound.