About 18,000 teens and young adults from throughout the Washington area, from across the country and from around the world participated in the Archdiocese of Washington's annual Youth Rally and Mass for Life at the Capital One Arena on Jan. 24. Washington Archbishop Wilton Gregory was the main celebrant of the Mass celebrating God's gift of life. (CS photos/Andrew Biraj) 

In the photo above, Archbishop Gregory holds Liam Herrera, the 3-month-old son of Molly Herrera, at right, who serves as the coordinator of youth ministry and young adult formation at St. Rose of Lima Parish in Gaithersburg, Maryland. (CS photos/Andrew Biraj) 

Archbishop Christophe Pierre, the apostolic nuncio to the United States, addresses the Youth Rally and Mass for Life, offering Pope Francis's gratitude for their standing up for the dignity of human life. (CS photos/Andrew Biraj)

Archbishop Gregory blesses Isabelle Morrison, 7 as he processes from the Youth Rally and Mass for Life. The girl was held by her father, Dr. Eric Morrison. Three sons in the Morrison family are studying to be seminarians for the Archdiocese of Washington. (CS photo/Andrew Biraj)

After the Jan. 24 Youth Rally and Mass for Life, teens and young adults left the Capital One Arena to join the annual March for Life in Washington. (CS photo/Andrew Biraj)