The edge of winter with christmas trees on the background of mountainsThe edge of winter with Christmas trees on the background of mountains
The girl walks along the edge of the roof with her hands raisedThe girl walks along the edge of the roof with her hands raised
Grey background, darker at the edges and lighter towards the middleGrey background, darker at the edges and lighter towards the middle
Предельная линия, предельная часть чего-н.. Страна, область. Крупная административно-территориальная единица, имеющая в своём составе автономную область.