One of the primary strengths of Emmaus Ministries is the follow-up. Your event lasts only three days for Emmaus Walks and Chrysalis Flights and 4 sessions for Face to Face, but you are invited to build on these for the rest of your life, this is called the 4 th Day movement. During 4 th Days, those who attend an Emmaus Ministries event are encouraged to do two things following their event: