Complex sentence: Relatively few designs survive on paper or unaltered on the ground, but features employed by Gilpin included amoeba-shaped flower beds, gently curving paths through irregular shrubberies, and raised terrace walks.
Split into simpler sentences: Relatively few designs survive on paper or unaltered on the ground. Features employed by Gilpin included amoeba-shaped flower beds, gently curving paths through irregular shrubberies, and raised terrace walks.