11.   Civilians emerged from basement shelters and cautiously walked the snow-covered streets in crisp, sunny weather.

12.   Civilians emerged from their basement shelters and cautiously walked the snow-covered streets on a crisp, sunny day.

13.   Civilians emerged from their basement shelters and cautiously walked the snow-covered streets in crisp, sunny weather Saturday.

14.   Civilians emerged from their basement shelters and cautiously walked the snow-covered streets in crisp, sunny weather.

15.   Dozens of people, their faces grim, lined up in front of a basement bomb shelter in the city after sirens sounded at mid-morning.

16.   Herco drove quickly to the hotel and its much larger, better-supplied basement shelter.

17.   In basement shelters, puppet skits shield kids from fears.

18.   Some dealers supply plans for basement shelters that cost as little as several thousand dollars.

19.   When air raid sirens sound, many people head for basement shelters, especially at night.