Looking at the design of the walls, pillars, and the ceiling, we can assume that the structure of the chapel is based on Roman architecture (arching ceilings and column-like pillars that are very common in Roman buildings). The people that are kneeling beside the Trinity are likely to be people from rich families that gave Masaccio this task of painting this fresco. We can tell that they are rich people by looking at their clothing (only rich people can afford clothing made by smooth fabric). The writings above the corpse underneath the chapel which says “What you are I once was; what I am, you will be” is probably telling the viewers that no matter what we did in our life, we will all pass away at one point (implying the corpse was once a
