On the morning of December 15, the Sangha held its regular meeting to discuss the feasibility of joining the Catharijneconvent Museum. Preparations for the first meeting of the Xiang Yungai Workshop were also actively promoted. In the afternoon, the lay practitioners on duty made dumplings and then every lay practitioner made offerings to the sangha with a pure and joyful heart. In the evening the Sangha studied Chapter three Loka-nirdeśa （Cosmology）of the Abhidharmakośa-bhāṣya.