Lighthouse surrounded by a smooth surface of waterLighthouse surrounded by a smooth surface of water
Stone surface against the background of the night skyStone surface against the background of the night sky
A lonely boat on the blue surface of the sea under white cloudsA lonely boat on the blue surface of the sea under white clouds
Perfect reflection in the mirror surface of the waterPERFECT REFLECTION IN THE MIRROR SURFACE OF THE WATER
Reflection of the sunset on the surface of the waterReflection of the sunset on the surface of the water
В математике: граница, отделяющая геометрическое тело от внешнего пространства. Наружная сторона чего-н..