Build a false mountain and fish pond to the west of the backyard

Quick answer：

This refers to the construction of a false mountain and fish pond on the western side of a backyard. False mountains are artificial landscapes created by stacking stones and other materials, often used in gardens to mimic natural scenery. Fish ponds are bodies of water where fish are kept, commonly used for ornamental purposes. Combining these elements in a backyard creates a serene and picturesque environment.