[Man holding a hose in front of a car surrounded by smoke during an air-drill, Paris]

[Boy on stretcher, Paris]

[Boy on stretcher, Paris]

[People in equipment in truck, Paris]

[Sparks and smoke during air-raid drill, Paris]

[Men in gas masks and equipment, Paris]

[Person in gas mask during air-raid drill, Paris]

[Crowd with hose, air-raid drill, Paris]