How about buying a house with a backer? Is feng shui good?

Nowadays, many real estate developers like to build their houses on or near the mountains. There are mountains and water, and feng shui can be good. Houses built on the mountain are generally good in feng shui, but we should also pay attention to the feng shui principles of the house itself and the environment, such as Nanchuan, Jiuding Mountain and Yonglong Mountain, which can be used in cities.