The celebration of the 26th World Youth Day (WYD) officially ended last August 21, 2011, Sunday. A solemn celebration of the Holy Eucharist at ten o'clock in the morning officiated by the Holy Father, Pope Benedict XVI, capped the momentous event. Attended by more than two million pilgrims from all over the world, the mass was held at Cuatro Vientos Air Base, Madrid, Spain.