Here, I answer, color, but some guys mention that the answer is colored coded not color, I hope color is correct answer, because I also made a lot of mistakes in part 3 and 4, other answers I wrote are, Glass, layout, advertisements, square,color, feeling I wrote stress, but the first question in this part 31, and 32, missed the answers, I hope other answers in this section are correct..
I'm not so sure of all
Outside
Corridors
Colour
Size
Screens
Advertisements
Glass: I can't really remember
Layout
Square of a town centre