Spain, Castile and Leon, Salamanca, Cathedral of the Assumption of the Virgin Mary, the interior of the dome of the New Cathedral.

Spain, Castile and Leon, Salamanca, Cathedral of the Assumption of the Virgin Mary, the interior of the dome of the New Cathedral.

Austria, Tyrol, Innsbruck, Dom zu St Jakob or Cathedral of St James, baroque organ by Nikolaus Moll dating from 1725.

Spain, Castile, Segovia, Segovia Cathedral is the Gothic-style Roman Catholic cathedral located in the Plaza Mayor of the city, dedicated to the Virgin Mary it was built in the Flamboyant Gothic style...

England, London, Tate Britain, View upwards from the basement to the glass dome.

England, London, Tate Britain, View upwards from the basement to the glass dome.

England, London, Tate Britain, View upwards from the basement to the glass dome.

England, London, Early Sunday morning view of a quiet Millennium Bridge and the River Thames looking towards St Paul's Cathedral.

England, London, City workers crossing the Millennium Bridge with the dome of St Paul's Cathedral in the background.

England, London, Early morning view of the Millennium Bridge and the River Thames looking towards St Paul's Cathedral.

England, London, City workers crossing the Millennium Bridge towards St Paul's Cathedral.

Ireland, Belfast, Victoria Square shopping centre, interior view of the glass dome.