There are 3 autumn trees in the scene.
Height 13.1 - 18.2 m
Total number of polygons: 3 334 411
Leaves using opacity. Displacement is enabled by default. When using a tree in the background, it is recommended to disable it.
Summer options for these trees: https://3dsky.org/3dmodels/show/iasen_ash_tree_1_17_1m https://3dsky.org/3dmodels/show/iasen_ash_tree_2_15_5_18_2m
In the archive:
3ds max (Corona_2013)
3ds max (Box_V-ray_2013)
In the V-ray file there are only 3 cubes with materials. V-ray users are advised to pipet the material from the cube and assign it to the model.
Have a nice use!