Birds fly into the yellow sky over an ordinary cityBirds fly into the yellow sky over an ordinary city
Flying island in the sky on the background of the planetFlying island in the sky on the background of the planet
Pyramids in the desert against the background of a shining skyPyramids in the desert against the background of a shining sky
Видимая над землёй атмосфера — пространство в форме свода, купола. Верхняя часть полости рта.