What do you need to know if you want to learn Kanyu?

Feng Shui pays attention to the coordination of time, place and people. Its scope includes astronomy, geography, humanities, architecture, interior layout, special doors and shields, the Book of Changes ... The more you know, the better, but I don't understand. Why do you want to learn something? If you want to engage in architecture, you should look at other related building materials. If you want to do interior decoration, you still have to look at … materials! Color matching and furniture placement!