Use forgive translator. I’m making a field, but at the end of the rebuild, the shadows on the ground from the trees do not move, they are not animated like the leaves of the trees. any help?
You will have to use dynamic or stationary (set your objects to moveable) lights 
https://docs.unrealengine/latest/INT/Engine/Rendering/LightingAndShadows/Shadows/index.html#staticlights
uploaded a video but excuse the quality and use of the translator. that counsel to record video programs
?v=YODi-uyGsAk&feature=youtu.be