1.   A police helicopter crisscrossed the sky looking for anyone who might be preparing a fireworks display on a roof.

2.   Four searchlights crisscrossed the sky just above the funeral parlor and hundreds of mourners shuffled in and out to pay their respects.

3.   Government helicopters and planes crisscross the skies.

4.   In Fallbrook on Monday, helicopters trailing large buckets of water could be seen crisscrossing the sky.

5.   In the future, great speedways crisscross the skies above deserts and cities.

6.   Lasers crisscross the sky.

7.   More than two dozen Sheridan light tanks took up strategic positions in the capital, and U.S. helicopters crisscrossed the skies.

8.   Satellites, thousands of them, crisscross the sky.

9.   The air assault began just after sunrise, and, by midmorning, the skies were crisscrossed with the vapor trails of American planes.

10.   Power lines crisscross the sky overhead, but the mud huts have no power because the cables were cut down by looters.