For around 360 days a year, our greenspaces are home to nothing but some sheep, cows, and a whole lot of fresh air – the picture of pure serenity that is synonymous with the British countryside. It’s oh so quiet and so peaceful until the sheer eccentricity of festival season strikes, and our fields transform into a vibrant, magical oasis of colour and fun – a temporary town constructed in the middle of nowhere that pushes the local population up by a few extra thousand overni