In each Lamasery there is a Faculty of Prayers, and the Grand Lama and the students of this department are often appealed to by the government to preserve their locality from calamity. On these occasions, the Lamas ascend to the summits of high mountains, and spend two whole days in praying, exorcising, and in erecting the Pyramid of Peace—a small pyramid of earth whitened with lime, a flag, inscribed with Thibetian characters, floating above.