The helicopter performs a rescue operation on the waterThe helicopter performs a rescue operation on the water
The transport system of the aircraft is the most perfect systemThe transport system of the aircraft is the most perfect system
Helicopter in winter in the snow, a very beautiful sightHelicopter in winter in the snow, a very beautiful sight
Видимая над землёй атмосфера — пространство в форме свода, купола. Верхняя часть полости рта.