This scene contains exterior of two buildings. These buildings are modular so if you've little knowledge of blender you can easily play with array modifier to increase the floors and other cool stuff.
Info:-
faces- 623406.vertices- 695752.
Note:-
1- Blender flag texture cannot be used in commercial projects without permission of blender organization.
2- HDRI are not packed with asset but can be downloaded from hdrihaven website.