COUNTY WICKLOW, IRELAND—A lidar survey of farmland in eastern Ireland has detected multiple prehistoric monuments, according to a Live Science report. The monuments include Bronze Age structures and five Neolithic cursus monuments, which are long and narrow earthwork enclosures built some 5,500 years ago. “There’s only about 20 known cursus monuments [in Ireland] and they occur in isolation,” said James O’Driscoll of the University of Aberdeen. The largest of the ne