England, Gloucestershire, Gloucester Cathedral, St Andrews Chapel, Colourful ceiling frescoes.

England, Gloucestershire, Gloucester Cathedral, Cloister.

England, Gloucestershire, Gloucester Cathedral, The Great East Window.

Spain, Castile and Leon, Avila, Avila Cathedral, statue of Santa Teresa de Avila.

Spain, Castile and Leon, Avila, Avila Cathedral tower viewed from the walkway along the interior perimeter of the city walls that were built from 1090 onwards and are among the best-preserved and most...

Spain, Castile and Leon, Avila, City walls with the circular Avila Cathedral built into the walls that were built from 1090 onwards and are among the best-preserved and most complete in Europe.

Spain, Castile and Leon, Salamanca, The Roman Bridge of Salamanca with Salamanca Cathedral behind.

Spain, Castile and Leon, Salamanca, Convento de las Duenas which is a Dominican convent built in the 15th and 16th centuries, Salamanca Cathedral seen from the upper cloister.

Spain, Castile and Leon, Salamanca, Convento de las Duenas which is a Dominican convent built in the 15th and 16th centuries, Salamanca Cathedral framed with the arches of the upper cloister.

Spain, Castile and Leon, Salamanca, Convento de las Duenas which is a Dominican convent built in the 15th and 16th centuries, view from the upper cloister with Salamanca Cathedral in the background.

Spain, Castile and Leon, Salamanca, Convento de las Duenas which is a Dominican convent built in the 15th and 16th centuries, view from the upper cloister with Salamanca Cathedral in the background.

Spain, Castile and Leon, Salamanca, University of Salamanca, the Patio de Escuelas Menores courtyard with the dome of Salamanca Cathedral in the background.