1.   From the other, funnels of smoke poured with flames licking behind them, lighting the dark smoke garishly.

2.   Fires burned, houses fell, gas pipes burst, and dark smoke rose from the streets.

3.   Both towers partly disappeared behind thick clouds of dark smoke, then the top floors of the south tower began to fall, leaving only black smoke.

4.   Building residents remained in their apartments and opened windows for fresh air as dark smoke slipped under the doors.

5.   Columns of dark smoke billowed over the bright green fields.

6.   Each time the ground shook, the volcano was also rattled and dark smoke emerged.

7.   Plumes of dark smoke rose high above the buildings.

8.   A pall of dark smoke hung over the city, amid intermittent artillery and rocket fire.

9.   A plane passing overhead reported that dark smoke was still pouring from the vessel three hours after the fire began.

10.   Clouds of dark smoke covered the city as heavy street fighting raged on and young fighters set dozens of homes and buildings on fire.