Answer:
He describes whate they are made of and the colors they are painted in.
Explanation:
Ernesto Galarza describes some differences between boths schools, for example the material of both and even the colors of the buildings. We can see that description in the following quote:
"It was a three-story wooden building, with two wings that gave it the shape of a double- T connected by a central hall. It was a new building, painted yellow, with a shingled roof that was not like the red tile of the school in Mazatlan."
