On December 7, 2020, the Rogationists and Daughters of Divine Zeal here in Vietnam started the joint-project of the annual Christmas caroling to the houses of some benefactors and friends in order to proclaim the spirit of Christmas as believers of the mystery of Incarnation. Through this simple gesture of singing, the sons and daughters of St. Hannibal are able to share the spirit of joy, love, hope, and peace in preparation for the birth of our Savior Jesus Christ.