Since the shooting, several photos have emerged of Mr Roof displaying the Confederate flag.
There is a striking plan for a cinema-size screen to be erected on the roof, displaying visuals by artists in lights.
Some taxis even boast two-sided triangular roof displays that advertise Broadway shows, gentlemen's entertainment, restaurants, whatever.
The upgraded stadium will hold 81,000 spectators and boast an LED light display across the roof showing the score and national flags to those outside the stadium.
Sarah Stephenson, a 6-year-old from Brooklyn, was tugging at her father's hand to hurry him upstairs to the roof-garden display of works by Roy Lichtenstein.
Roof also displayed a confederate flag vanity licence plate on the front of the car in which he drove to and from the mass shooting.
On this occasion, beneath the Millennium Stadium roof, he displayed a sniper's accuracy to trump his opposite number, Stephen Myler, who had enjoyed an inspired first half.
The spectra from the 2014 (MAAS) and 2015 (UC) FTIR tests of the roof coating displayed similar peaks and were suggestive of cellulose-based compositions.
Hyundai is offering the IONIQ to WaiveCar users for up to two hours per trip on-demand for free, with ads displayed on the car's body and on a roof-mounted display as a way to recoup the costs of driving for WaiveCar.
Three successive periods of construction were undertaken, and the best preserved retains a significant proportion of the stone part of its roof and displays a series of corbelled bays.
