A approach of a proper garden for a country estate in Wales, 1765 A formal backyard garden in the Persian and European back garden design traditions is rectilinear and axial in design. The equally official garden, with no axial symmetry (asymmetrical) or other geometries, would be the garden design tradition https://images.google.co.za/url?q=https://www.westhillsmasonry.com/outdoor-water-features/