It is the region's biggest agricultural event - up to 90,000 people are expected through the gates at the Royal Norfolk Show over the next couple of days.
Big numbers then, but there is criticism the show organisers are taking advantage of punters, with a family a ticket at the gate costing in excess of £60. Watch Jim Rice's report.
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Cloud thickening tonight with rain spreading eastwards later.
A mixture of sunny spells and isolated showers this afternoon.
Police think that one of the men involved in last week's abduction attempt at RAF Marham was given a black eye.