 |  |  |  |
Round tower at Glendalough. Ireland. | Round tower (c11thC) (30m tall with 6 floors) at Glendalough. Ireland. | Round tower entrance door (3m above ground for defense) at Glendalough. Ireland. | Celtic cross at base of round tower at Glendalough. Ireland. |
 |  |  |  |
Round tower entrance door (12 feet above ground for defense) at Glendalough. Ireland. | Round Tower (c11th or 12thC) at Glendalough. Ireland. | Muiredach's high cross seen before round tower at Monasterboice. Ireland. | Tall Cross (West High Cross) & round tower at Monasterboice. Ireland. |
 |  |  |  |
Round tower (10th-11thC) built as protection against Viking raiders at Monasterboice. Ireland. | Doorway to round tower would normally be 15-20 feet above ground, but burials raised ground levels at Monasterboice. Ireland. | Round Tower (c700-1000) beside St Canice's Cathedral, Kilkenny. Ireland. | Partial cross & round tower at Kells. Ireland. |
 |  |  |  |
Round Tower & Irish crosses at Rock of Cashel. Ireland. | Round tower (12thC) on corner of cathedral at Rock of Cashel. Cashel, Ireland. | Round tower (12thC) stonework detail at Rock of Cashel. Cashel, Ireland. | Medieval Irish-type round tower (11thC) beside later Brechin Cathedral. Brechin, Scotland. |
 |
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Medieval Irish-type round tower (11thC) beside later Brechin Cathedral. Brechin, Scotland. |
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