It was the first open chapel in the world, when all the others were of gothic type.
The parish church has a large open chapel, but only a portion of the atrium it had in the 16th century.
The oldest portion of the complex is the open chapel, which dates from the time when the structure began as a small mission.
Next to this portal is a small open chapel from the same time period.
The open chapel were almost always built on the side of the main church and facing the same direction, towards the atrium.
The cloister is now a site museum, with its entrance through the open chapel.
In some cases, the open chapel inspired designs for covered churches.
The open chapel is considered to be one of the most unique construction types from Mexico in world architecture.
On that roof was a choir with views of the open chapel from its balcony.
The cloister area and part of the open chapel have been converted into a site museum.