Lasers have revealed hundreds of previously undetected prehistoric monuments, including five rare ones, clustered in a swath of farmland in the Irish countryside.Archaeologists discovered the monuments in Baltinglass, a town in County Wicklow in eastern Ireland, using lidar (light detection and ranging), a technique in which an aircraft flies overhead while a machine shoots laser pulses toward the ground. These pulses hit objects and then bounce back, helping researchers map the…
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Lasers reveal prehistoric Irish monuments that may have been ‘pathways for the dead’
