A lush east plane tree 13 meters high.
To get a tree with fallen leaves, apply material from the cube next to the model and delete the polygons with IDs 5 and 8.

Leaf material using opacity to a minimum.
Displacement cards are missing.
Trash geometry and groups are absent.
X-form is done, normals are not inverted.
Geometry, textures and materials have the correct names, without the Cyrillic alphabet.
The model at the origin, pivot at the base of the trunk.
Renders quickly, looks good under standard Sun and Sky Corona lighting.