another tall building. silver lining at the edge of the cloud is fairy like. How did they build such tall building thousand of years ago? They piles up solid soil around the building as they built the tower, Pagoda levle by level. Soil around the building was removed after the whole structure completed. That is the reason why they managed to put gold and precious articles on the top of the pagoda. How tall and how grand was the man-made soil mountain? Just use our imagination.