Thurifer Adam Erdosy leads the procession with smoking incense down the steps of the chapel into the cathedral.

Main celebrant Father Dennis Gill consecrates the Precious Blood during the Liturgy of the Eucharist, as concelebrant Father Kenneth Brabazon looks on.

Worshipers exchange the sign of peace during Mass.

An usher for the cathedral hands out blessed palm fronds.

Worshipers move out on the streets of Philadelphia with palm.

Father Dennis Gill leads the proclamation of the Gospel and procession with palms outside the Cathedral chapel before moving into the basilica for the remainder of Mass.

The Cathedral Choir, under the direction of John Romeri (left), sings at the foot of the cathedral during the outdoor liturgy and procession.