Feng shui is an ancient Chinese practice of placement and arrangement based on the flow of chi. It aims to harmonize the home, office, or environment with natural energies. The document discusses the key principles of feng shui, including the balance of yin and yang, use of the bagua map and compass, and harnessing beneficial chi while reducing harmful sha chi through placement of objects, colors, and materials. A brief history is given of how feng shui has been practiced in China for thousands of years and is still a popular design philosophy today.