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They also claimed that small pieces of debris found near Stonehenge, which were traced back to the dig site in Wales, were actually transported by the movement of glaciers over half a million years ago, and not brought by ancient masons along with the bluestones.
As Wales Online reports, Dr John added the work done by Professor Pearson's team was an interesting piece of rock provenancing, it did not explain how the rocks were moved the hundreds of miles from Wales to Stonehenge.