From the boardroom to the bedroom and in" about every other living space possible, the principles of Feng Shui, or "wind and water," became one of the interiordesign industry's hottest trends during the 1990s. Based on the ancient Chinese theory of organizing positive energy or "ch'i" in living and working spaces, Feng Shui seeks to create the most harmonious balance possible between the exterior and interior elements of one's environment, as well as the personal energy of the individual. Translating it into everyday applications, the serious practitioner of Feng Shui studies a space to make sure that everything from the placement of furniture to the room color to the pictures or mirrors hanging on the walls is in "balance" with the forces of nature. Architects also studied the theory in determining the best placement for a building so that positive energy forces would be...