Ireland, County Sligo, Knocknarea Mountain seen from Lissadell Beach.

Ireland, County Mayo, Erris Head, Erris Head Loop Walk, view of cliffs and sea.

Belgium, Brussels, The Atomium, General view of the Atomium from further down Boulevard de Centenaire.

Belgium, Brussels, The Atomium, General view of the Atomium from further down Boulevard de Centenaire.

Belgium, Brussels, The Atomium, General view of the Atomium from further down Boulevard de Centenaire.

Republic of Ireland, County Wexford, Hook Head Lighthouse which is one of the world's oldest lighthouses.

Republic of Ireland, County Wexford, Hook Head Lighthouse which is one of the world's oldest lighthouses.

Republic of Ireland, County Wexford, Hook Head Lighthouse which is one of the world's oldest lighthouses.

Republic of Ireland, County Wexford, Hook Head Lighthouse which is one of the world's oldest lighthouses.

Republic of Ireland, County Wexford, Wexford town, Harbour with boats moored.

England, London, Greenwich, Old Royal Naval College, The wing that includes the Chapel of St Peter and St Paul.

England, London, View of St Paul's Cathedral from Festival Gardens.