Before revision: History Paris in the era of Louis XIV was one of the world's most populous cities: it contained more than five hundred thousand residents in 22,000 residencies, five hundred major roads, 100 public squares, nine bridges.
After revision: History Paris in the era of Louis XIV was one of the world's most populous cities: it contained more than 500,000 residents in 22,000 residencies, 500 major roads, 100 public squares, 9 bridges.