Mysterious travellers visited the English countryside and left behind the biggest crop circle of the year - near the Cerne Abbas Giant.<br /><br />The giant circle cropped up in a field just yards from the historic hill figure, which is famous around the world for its mighty penis.<br /><br />Crop circle experts say the newest formation is among the most precise set of markings seen in recent years.<br /><br />The giant circle, which is thought to have a radius of 36ft - the same length as the Cerne Abbas Giant's penis - and is set out like the points on a compass.<br /><br />In the centre of the formation is a seven-pointed star, which is the name of a holy text in smash hit fantasy series Game of Thrones.
