An astronaut on the surface of the moon with a us flagAn astronaut on the surface of the moon with a US flag
Juicy green sedge frames the mirrored surface of the riverJuicy green sedge frames the mirrored surface of the river
A yellow tennis ball lying on the surface of the courtA yellow tennis ball lying on the surface of the court
Two anime heroines in white dresses floating in the air above the surface of the seaTwo anime heroines in white dresses floating in the air above the surface of the sea
Macro photography of a broken twig with leaves and dried berries that fell to the surface of the waterMacro photography of a broken twig with leaves and dried berries that fell to the surface of the water
Painted surface with autumn leaves in drops of waterPainted surface with autumn leaves in drops of water
A beautiful sunset over a calm sea, the rays of the setting sun painted the surface of the water and clouds in golden colorA beautiful sunset over a calm sea, the rays of the setting sun painted the surface of the water and clouds in golden color
В математике: граница, отделяющая геометрическое тело от внешнего пространства. Наружная сторона чего-н..