Achilles was an ancient Greek hero.
That ancient ruin was once a shrine.
That castle was built in ancient times.
This parade descends from an ancient rite.
This custom dates from ancient times.
We can get a glimpse of the life style of ancient people from this wall painting.
The problem is one of interpreting these ancient scriptures.
This is an ancient Law.
So perhaps this was their ancient god returning after his long absence.
The myth offers insights into the ancient civilization.