With the arrival of autumn, the maple leaves turned yellowWith the arrival of autumn, the maple leaves turned yellow
In the evening, the backlight at the castle turned onIn the evening, the backlight at the castle turned on
Golden autumn, leaves turn yellow on the trees, the lake is largeGolden autumn, leaves turn yellow on the trees, the lake is large
The girl and the guy are lying with their heads turned to each otherThe girl and the guy are lying with their heads turned to each other
Место, где поворачивают. Полное изменение в развитии чего-н., перелом.