On December 15, another edition of the Hanukkah-Advent Retreat took place, due to the pandemic in an online form, on the Zoom platform. The lectures inspired by the meaning of the holiday was delivered jointly by Rabbi Stanisław Wojciechowicz from Ec Chaim – Progressive Synagogue, Warsaw and Fr. Grzegorz Michalczyk from the Church of the Creative Communities of St. Albert Chmielowski and St. Andrew the Apostle. The meeting was chaired by Bogdan Białek.