amber architecture baroque berlin brandenburg charlottenburg elector Frederic III Friedrich III garden germany palace park borders England english flowers Great Britain leisure Loseley House nature paths plants pleasure summer Surrey iris white grass green hedge house landscaped lawn bush fruit leaves medlar Mespilus germanica plant tree building buttress castle facade flower Hampshire path shingle stone Winchester window Meadow Rue Thalictrum clipped Dorset driveway feature Forde Abbey gardens road shrub topiary trees border fishpond floral peace pond tower water bench formal gravel pot seat symbolism symmetry urn 17th century classical Greenwich Inigo Jones landmark London mansion Queen's House