12 As soon as she hangs up with the nurse, she imagines driving to the hospital and circling the
main building. She'd park under the sweetgum tree
by the front gate. In ordinary times, this street
would be a conduit to a lobby where visitors sign in
before finding their way inside the hospital maze.
The day before, she dropped him off on the other
side of that building, at the emergency -admission
section. Two people in what looked like spacesuits
had wheeled him inside. He could still breathe on
his own then and was even able to turn his head and
wave in her direction. It was not a goodbye wave.
Go on now, he seemed to be saying under the face
mask, his nightshade eyes obscured by fogging
aviator glasses. There is a long line of people behind you.
Based on the setting, what is the imagery seen in this paragraph? What could it be explaining or
showing about the story?