Pope Francis preached on workers and their dignity during a Mass celebrated in the chapel of Domus Sanctae Marthae on May 1 (video), which is observed as Labor Day in many countries. The Mass concluded with adoration and Benediction of the Most Blessed Sacrament and the chanting of the Regina Caeli. A statue of St. Joseph blessed by the future Pope St. Paul VI was brought to the chapel for the Mass.