Tens of thousands of people are expected to attend the first day of the Royal Cornwall Show - the county's biggest annual event.
The three-day show attracted more than 126,000 visitors last year - and organisers are hoping good weather will help boost those figures this year.
There are more than 1000 trade stands at the annual show which showcases the county's agricultural industry.
Royal Cornwall Show 2016 - stats you need to know:
1000 trade stands
126,000 visitors last year
Besides showcasing the farming industry - there's a huge programme of entertainment on offer.
The headline acts this year include the horses and stunt team who worked on Poldark and Katy Cropper, the first female winner of One Man and His Dog.
The RAF Falcons will be parachuting in from above on all three days and the Band of HM Royal Marines, Plymouth will provide the pomp and circumstance on the Thursday.