The stone slabs of England's Stonehenge may have been more than just a spectacular sight to the ancient people who built the structure; they likely created an acoustic environment unlike anything they normally experienced, new research hints.

"As they walk inside they would have perceived the sound environment around them had changed in some way,"said researcher Bruno Fazenda, a professor at the University of Salford in the United Kingdom. "They would have been stricken by it, they would say, 'This is different.'"

These Neolithic people might have felt as modern people do upon entering a cathedral, Fazenda told LiveScience....