Cologne Cathedral, Cologne, Germany © to respective photographer

Salisbury Cathedral, England © to respective photographer

Ulm Munster (Ulm Cathedral), Ulm, Germany © to respective photographer

St Paul's Cathedral, London, England © to respective photographer

Basilica of Our Lady of Peace of Yamoussoukro, Ivory Coast © to respective photographer

Metropolitan Cathedral, MExico City, Mexico © to respective photographer

St Peter's Basilica, Rome, Italy © to respective photographer