A river turning into a waterfall on the background of the steppeA river turning into a waterfall on the background of the steppe
Under the wing of the plane, the mountains are turning white (apparently, the alps), because he directed the way to europeUnder the wing of the plane, the mountains are turning white (apparently, the Alps), because he directed the way to Europe
Место, где поворачивают. Полное изменение в развитии чего-н., перелом.