A critical number of eyes in the cave walls had opened.

In recent years a number of new public and private universities have opened.

However, a number of new restaurants serving the region's traditional food have opened over the years.

During the 20th century, a number of service companies opened in the town and industry began to decline.

An increasing number of shops also open on Sunday, from 11am to 4pm.

A number of commercial outlets have more recently opened in the area.

A number of the restaurants just to the north have opened again today.

A number of people had opened the door and gone through, several apparently looking for someone they expected to find on the train.

A large number of new stations opened on this line in 2004.

As they advanced, an increasing number of windows opened on to the street.