Republic of Ireland, County Donegal, Gweedore, mini cairn on the foothills of Errigal which is Donegal's highest mountain.

Republic of Ireland, County Donegal, Gweedore, mini cairn on the foothills of Errigal which is Donegal's highest mountain.

Austria, Tyrol, Innsbruck, Altstadt, colourful street architecture with the Servitenkirche or Servite Church and snow covered mountains in the background.

Austria, Tyrol, Innsbruck, Altstadt, The Triumphal Arch or Triumphpforte dating from 1765 framing the Servitenkirche or Servite Church.

Austria, Tyrol, Innsbruck, Altstadt, The Triumphal Arch or Triumphpforte dating from 1765 framing the Servitenkirche or Servite Church.

Austria, Tyrol, Innsbruck, Annasaule or St Anne's Column on Maria Theresien Strase dating from 1706, detail showing from left St Cassian, St George and St Vigilius with snow covered mountains in the b...

Austria, Tyrol, Innsbruck, Annasaule or St Anne's Column on Maria Theresien Strase dating from 1706 with snow covered mountains in the background.

Spain, Castile and Leon, Segovia, Aqueduct of Segovia, a Roman aqueduct with 167 arches built around the first century AD to channel water from springs in the mountains 17 kilometres away to the city'...

Spain, Castile and Leon, Segovia, Aqueduct of Segovia, a Roman aqueduct with 167 arches built around the first century AD to channel water from springs in the mountains 17 kilometres away to the city'...

Spain, Castile and Leon, Segovia, Aqueduct of Segovia, a Roman aqueduct with 167 arches built around the first century AD to channel water from springs in the mountains 17 kilometres away to the city'...

Spain, Castile and Leon, Segovia, Early morning golden light on the Aqueduct of Segovia, a Roman aqueduct with 167 arches built around the first century AD to channel water from springs in the mountai...

Spain, Castile and Leon, Segovia, Hot air balloon gliding past as early morning golden light shines on the Aqueduct of Segovia, a Roman aqueduct with 167 arches built around the first century AD to ch...