Yes, your shed does need a base. This is to give it a solid, level foundation. Open soil will not help with the longevity of the shed itself or the contents within. The best materials to use to make your shed base are concrete, natural stone or wood.
St Columb
St Columb Major is a town as well as civil parish in Cornwall, England, UK. Often referred to in your area as St Columb, it is approximately seven miles (11 kilometres) southwest of Wadebridge and also 6 miles (10 kilometres) eastern of Newquay. The designation Significant identifies it from the close-by settlement as well as parish of St Columb Minor on the coast. A selecting ward just called St Columb exists with a population at the 2011 census of 5,050. Two times a year the town plays host to "tossing", a medieval game when usual throughout Cornwall today only played in St Columb as well as St Ives. It is used Shrove Tuesday and after that once more on the Saturday eleven days later on. The video game includes 2 teams of a number of hundred individuals (the 'townsmen' as well as the 'fellow citizens') who endeavour to carry a silver round made of apple wood to objectives established 2 miles (3 kilometres) apart, making the church, around 25 square miles (65 km2) in area, the de facto largest sporting activities ground in the world.