The sun bathes us in natural light, even when covered by cloud. But for part of each day it is hidden from our sight, lighting the other side of the world. Our ancient ancestors learned to make fires, to keep the threats that darkness held at bay (as well, of course, to keep themselves warm). Since then mankind has developed all sorts of artificial ways to mimic the light of the sun when it disappears at night.
Japanese gardens are not beautiful by accident. Every detail is carefully considered, every plant and rock precisely placed. And the result is often stunning. It was in Kyoto that I really came to appreciate the nuances of Japanese garden design.