A satellite above the surface of a celestial body. view from spaceA satellite above the surface of a celestial body. View from space
The glare of the sun on the smooth surface of the waterThe glare of the sun on the smooth surface of the water
Reflection of mountains and plains on the water surfaceReflection of mountains and plains on the water surface
Dawn with reflection of light on the water surfaceDawn with reflection of light on the water surface
В математике: граница, отделяющая геометрическое тело от внешнего пространства. Наружная сторона чего-н..