Is it good to build a rockery on the roof? Is it good to build a rockery on the roof?

if a rockery is built on the roof, there must be flowers, plants and water, which is called pressing the mountain on the top of your head, which is not good for feng shui.

rockery has many landscaping functions, such as constituting the main landscape or topographic skeleton of the garden, dividing and organizing the garden space, arranging the courtyard, revetment, slope protection, retaining soil, and setting up natural flower beds. It can also be combined with garden buildings, garden roads, sites and garden plants to form a varied landscape, so as to reduce the artificial atmosphere, increase the natural interest, and make garden buildings blend into the landscape environment.