The first is a Pontifical Mass in the Ordinary Form, celebrated by Archbishop Angelo Acerbi.
Fra' Matthew Festing, the Grand Master of the Sovereign Military Order of Malta
See the full photo gallery.
The second, a solemn Mass in the usus antiquior. The celebrant was Msgr. Antony Conlon, the deacon, Fr Ronald Creighton-Jobe, Cong.Orat., and the subdeacon, Fr Gerard Deighan.
A full photo gallery is available here.
All photos courtesy of James Bradley.