Stone age techniques survived into the twelfth century and are still visible in the beehive structure of early churches and monasteries such as those on skellig michael and gallarus oratory in county kerry 石器时代的技术一直延续到12世纪，至今在早期教堂和寺院的蜂窝结构（比如凯里郡的skellig michael和gallarus oratory ）中仍然清晰可见。
