COUNTY WICKLOW, IRELAND—More than 600 possible dwelling platforms and a cistern have been identified at Ireland’s Brusselstown Ring hillfort by Dirk Brandherm of Queen’s University Belfast and his colleagues, according to a Phys.org report. The site, one of the 13 large enclosures in the Baltinglass hillfort cluster in eastern Ireland, is thought to have been occupied during the Late Bronze Age and Early Iron Age, between about 1193 and 410 B.C. The Brusselstown Ring features two ramparts—the outer ring also encloses a Neolithic hillfort. Nearly 100 of the possible roundhouse platforms in the Brusselstown Ring are within the inner rampart. The rest are situated between the inner wall and the outer...