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Welcome to the voice of America's news words.
This'll news.
Word is from the Crossrail Project, a train tunnel now being built in London.
England.
Artifact, the underground project to connect Heathrow Airport to the financial district, has uncovered more than 10,000 artifacts.
One special artifact is a bronze medallion from the year 245 a.
D.
An artifact is a simple object, made and used by people in the past in science and artifact is a substance or structure formed by humans, not nature.