Autumn landscape. reflection of the sky in the waterAutumn landscape. Reflection of the sky in the water
Blue sky and white clouds yellow flowers in the fieldBlue sky and white clouds yellow flowers in the field
A river in the middle of a canyon under a blue skyA river in the middle of a canyon under a blue sky
Видимая над землёй атмосфера — пространство в форме свода, купола. Верхняя часть полости рта.