Garden Design

A sunken garden is a garden that is laid out below the surrounding ground level. It is designed to create a distinctive landscape feature often enclosed by walls or terraces, giving it a unique aesthetic appeal.
(A) Paved garden – Incorrect; this refers to gardens with paved pathways or surfaces.
(B) Terrace garden – Incorrect; a garden built on a terrace or stepped area.
(C) Mesh garden – Incorrect; not a commonly used term in garden design.
(D) Sunken garden – Correct. A garden situated below ground level.