Dawn with reflection of light on the water surfaceDawn with reflection of light on the water surface
Reflection of a watermill on the surface of the water in the eveningReflection of a watermill on the surface of the water in the evening
The bright blue sky is reflected in the surface of the lake in the middle of the forestThe bright blue sky is reflected in the surface of the lake in the middle of the forest
The surface of the lake against the background of a very beautiful sunsetThe surface of the lake against the background of a very beautiful sunset
Where is the water surface, and where is the sky, everything has mergedWhere is the water surface, and where is the sky, everything has merged
The surface of the water with a rabbit and the skyThe surface of the water with a rabbit and the sky
В математике: граница, отделяющая геометрическое тело от внешнего пространства. Наружная сторона чего-н..