3D Assignment Modular Kit: The New York Stock Exchange (NYSE)

We have finished our first assignment in our 3D class, it likes what we did last year: making modular parts to construct an environment. However, this time we only have two weeks to finish, we have strict restrictions on  all the maps (a 2048 px square), poly-counts limit and we cannot use other people's models. My theme is the New York Stock Exchange. Here are some screenshots of my environment to show the steps I went through: