A quiet autumn dawn over the mirror surface of the lakeA quiet autumn dawn over the mirror surface of the lake
Bridges illuminated and the water surface in the nightBridges illuminated and the water surface in the night
Reflection of the bright sky in the smooth surface of the night riverReflection of the bright sky in the smooth surface of the night river
A modern bomber cuts through the surface of the skyA modern bomber cuts through the surface of the sky
The water surface against the background of two shoresThe water surface against the background of two shores
В математике: граница, отделяющая геометрическое тело от внешнего пространства. Наружная сторона чего-н..