Switched model to cycles, started lighting
Optimized grates, more lighting
Added material details, railing, lights
Created ceiling lamp model
Added lights, lampshades to map
More lights
Forgot to lightmap the lamp model, derp! Deleted lights from map
Re-added improved lights
Added lights to northern offices
Added some lights to west offices
Finished lighting upper floors, updated renders
Sanity-checked model against UE4 constraints
Lit basement, updated renders
Simplified upper floor geometry, tweaked basement lights