Night lights of the metropolis on the background of the water surfaceNight lights of the metropolis on the background of the water surface
Two anime heroines in white dresses floating in the air above the surface of the seaTwo anime heroines in white dresses floating in the air above the surface of the sea
Fish on the background of the orange surface of the waterFish on the background of the orange surface of the water
A few purple leaves. fallen on the surface of blue waterA few purple leaves. fallen on the surface of blue water
Macro photography of a broken twig with leaves and dried berries that fell to the surface of the waterMacro photography of a broken twig with leaves and dried berries that fell to the surface of the water
В математике: граница, отделяющая геометрическое тело от внешнего пространства. Наружная сторона чего-н..