Evermotion release a new tutorial from series Tip of the Week "Matching photo with 3d mesh".
This tutorial is not intended to teach you how to model, texture, illuminate and render, but it will show You what techniques You can use to match photo and 3d mesh and how to handle hi-poly models in viewport.
The mesh we will use comes from Archmodels vol. 131 collection. 
Making of ArchModels 131 City 001 render
squares camera 002
squares camera 003
Let's get started....