1.   Clouds of smoke billowed out so the teams crouched down to avoid inhaling the poisonous fumes.

2.   At the Olympic gala, clouds of smoke billowed in the television lights above Rabin as the gruff old general chain-smoked during the event.

3.   A choking grey cloud billowed out, blocking out the bright sunshine and chasing thousands of panicked workers through the canyons of Lower Manhattan.

4.   Above Soufriere Hills, dark, cauliflower-shaped clouds of ash billow skyward from the volcano.

5.   Inside, a cloud of dry ice billows from the rum-and-fruit-juice drinks known as Smoking Eruptions.

6.   Clouds of incense billowed through the building.

7.   Clouds of smoke billowed from Kabrikha and Majdal Selim, the villages where the Katyushas were believed to have been launched.

8.   Clouds of smoke billowed from the region.

9.   Clouds of smoke billowed into the air, and one man was helped into a car, his face covered with blood.