Spain, Castile and Leon, Avila, City walls that were built from 1090 onwards and are among the best-preserved and most complete in Europe, looking along the northern section of the walls.

Ireland, County Sligo, Sligo, boats on a misty winter morning at Doorly Park.

Ireland, County Sligo, Sligo town, Doorly Park, Boat on the River Garavogue on a foggy winter's morning.

Ireland, County Sligo, Sligo town, Doorly Park, Boats on the River Garavogue on a foggy winter's morning.

Ireland, County Sligo, Sligo town, Doorly Park, Boardwalk on the River Garavogue on a foggy winter morning.

Ireland, County Waterford, Comeragh Mountains, Mahon Falls waterfall.

Ireland, County Roscommon, Lough Key Forest Park near Boyle, swans on mist shrouded lough with McDermott's Castle in the background.

Israel, Jerusalem, Mount of Olives, A Hooded Crow, Corvus cornix. The Hooded Crow is a Eurasian bird species widely distributed in Northern, Eastern, and Southeastern Europe and parts of the Middle Ea...

Israel, Jerusalem, Mount of Olives, A Hooded Crow, Corvus cornix. The Hooded Crow is a Eurasian bird species widely distributed in Northern, Eastern, and Southeastern Europe and parts of the Middle Ea...

Israel, Jerusalem, Mount of Olives, A Hooded Crow, Corvus cornix. The Hooded Crow is a Eurasian bird species widely distributed in Northern, Eastern, and Southeastern Europe and parts of the Middle Ea...

Israel, Jerusalem, Mount of Olives, A Hooded Crow, Corvus cornix. The Hooded Crow is a Eurasian bird species widely distributed in Northern, Eastern, and Southeastern Europe and parts of the Middle Ea...

Israel, Jerusalem, Mount of Olives, A Hooded Crow, Corvus cornix. The Hooded Crow is a Eurasian bird species widely distributed in Northern, Eastern, and Southeastern Europe and parts of the Middle Ea...