Reflections of the ferris wheel in the surface of the megapolis riverReflections of the Ferris wheel in the surface of the megapolis river
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
В математике: граница, отделяющая геометрическое тело от внешнего пространства. Наружная сторона чего-н..