11.   So, a vapor barrier should go in all possible places.

12.   Then, Friday, concrete barriers went up on the approach roads, and an official in the interim government of Hamid Karzai even gave the mansion a name.

13.   Trash cans were sealed shut and barriers went up to keep cars from parking in front of schools.

14.   Where does the vapor barrier go?

15.   Across Europe, barriers were going up to prevent the virus from skipping across the English Channel.

16.   But when central Europeans tried to export to their neighbors, EU barriers went up in the form of quotas and tariffs.

17.   Now the attention has turned to those asylum seekers who managed to slip into Australia before the barriers went up.

18.   Vittadini said the barriers might have gone up many more times a year than supporters envisioned, risking making the lagoon a turbid guagmire.