11.   Its key feature will be two large glass walls that allow park visitors to peer in during tapings.

12.   Like any good bridge, the walkway allows a visitor some sense of time dropping away, of mystery about what is ahead.

13.   NASA does not allow visitors during landings.

14.   Mr. Mayor did not want to show guests the local school, explaining that visitors were not allowed as a security precaution.

15.   Now, Ruth was secluded and allowed few visitors.

16.   Other visitors are being allowed.

17.   Private courses in the Netherlands generally allow visitors during the week but not on weekends.

18.   The department tightened its policy on allowing unescorted visitors in August.

19.   The program also includes pre-designed forms that can be customized and incorporated into a page, allowing visitors to place on-line orders, reservations or obtain information.

20.   The tours are self-guided, allowing visitors to tour at their own pace.