When warm, light, air crosses mountains it rises into the upper atmosphere and does not fall back to the ground. In this, and other, ways wind changes with the terrain.
Just because people are corporeal born to this world doesn't mean that they understand everything about it, similarly just because somebody's died doesn't mean that they understand everything about the incorporeal world.
For many years I thought that it was beauty alone that gave significance to life and that the only purpose that could be assigned to the generations that succeed one another on the face of this crowded earth was to produce an artist now and then.