a contrail behind the plane
a cloudless blue sky
The planes are flying.
The planes are in the air.
The planes are upside down.
The sky is clear blue.
The smoke is coming out of the planes.
The smoke is white.
Three planes are in the sky.
planes in the air
planes in the sky
airplanes in the sky
airplanes in the air
three plane sin the air
three airplanes in the air
three planes in the sky
three airplanes in the sky
three yellow planes
three yellow airplanes
three yellow planes fly together in formation, leaving trails of smoke behind them