In some houses if you press you back to some walls and start looking left or right while aiming, your character starts doing falling animation. Sometime resulting in falling trought walls. It happens mostly on second floors, stairs and balconies. Going to add screenshots.
Problem buliding are:
Ghost hotel - a lot of problems in this one.
Stone House (Big) - Balcony
Shop (Stone, Abandoned) - back balcony
Military Cargo Post
Military cargo Tower