Reflection of snowy mountains in the water surfaceReflection of snowy mountains in the water surface
Lightning cutting the surface of the sky reaches directly to the groundLightning cutting the surface of the sky reaches directly to the ground
An inhomogeneous surface with a visible image of a tigerAn inhomogeneous surface with a visible image of a tiger
A red helicopter flies over the surface of the oceanA red helicopter flies over the surface of the ocean
В математике: граница, отделяющая геометрическое тело от внешнего пространства. Наружная сторона чего-н..