Officials do change position a lot during the game to cover the area in the best possible way.
It was going to take a long time to cover all the possible areas.
That was the only way to cover the whole area.
It does not cover the whole area of the country.
It has over 15,000 books which cover all subject areas.
It was created in 1959 to cover an area of 55.10 km2.
"We can go very deep and cover a big area at the same time."
He was very small, for the picture covered a long area.
A large area of country around the town was covered in water.
The population of the area covered by the force is 646,000.