The following shots were taken at the St George's Day History Festival at Wrest Park in Bedfordshire.
The group depicted is the 19th Regiment (1st Yorks. North Riding) The Green Howards. they are a living history re-enactment group who depict soldiers at the time of the Crimean War.
There is a link to their website at the bottom of this page.
Most shots were taken with the Sigma 50-500mm zoom lens on a monopod.
You can find the group's website at: 19th Regiment (1st Yorks. North Riding) The Green Howards