Sa-che Tibetan Geomancy Base Course at Merigar West Posted by Liz Granger | 4 Sep 2020 | Dynamic Space of the Elements | From August 21-23, 2020, Migmar Tsering led a Base course on Sa-che or Tibetan geomancy at Merigar West in Tuscany, Italy. Sa-che (sa dpyad) is a field of Tibetan astrology in which the appearance and position of the earth is analyzed.