Waterfalls flow smoothly into the river below and the skyWaterfalls flow smoothly into the river below and the sky
Japanese architecture surrounded by tree branches against a blue skyJapanese architecture surrounded by tree branches against a blue sky
The sky reflecting in the windows of modern buildingsThe sky reflecting in the windows of modern buildings
Видимая над землёй атмосфера — пространство в форме свода, купола. Верхняя часть полости рта.