Estonia, Tallinn, Towers in the Old Town.

Ireland, County Offaly, Clonmacnoise Monastic Settlement, South Cross and Round Tower with River Shannon in the background.

Ireland, County Offaly, Clonmacnoise Monastic Settlement, Temple Finghín and McCarthy's Tower.

Ireland, County Kilkenny, Kilkenny, St Canices Cathedral.

Turkey, Istanbul, Galata Tower.

Italy, Sicily, Piazza Del Duomo, Messina Cathedral, Astronomical clock on clock tower.

Italy, Sicily, Piazza Del Duomo, Messina Cathedral, Astronomical clock on clock tower.

IRELAND, County Louth, Monasterboice Monastic Site, Round Tower.

IRELAND, County Louth, Monasterboice Monastic Site, the West Cross slanted angular view of the east face with Round Tower in the background.