In 2017, Colorado construction workers accidentally dug up a very rare dinosaur fossil

Imagine working with heavy machinery in an ongoing city construction project, when all of a sudden you stop everything due to hitting an object that turns out to be a huge artefact from prehistoric times. Well, this actually took place in the summer months of 2017 at Thornton, Colorado – a busy area right at the edge of Boulder County.

Raccontata datimesofindia.indiatimes.com