Several helicopters are flying in combat order across the clear skySeveral helicopters are flying in combat order across the clear sky
The fighter is flying against the background of a clear skyThe fighter is flying against the background of a clear sky
The shuttles of the planes are visible in the clear bright skyThe shuttles of the planes are visible in the clear bright sky
Autumn trees reflecting in the clear water of a quiet lakeAutumn trees reflecting in the clear water of a quiet lake