This is the biggest space of the building which is being places on the Southside that can easily gather light resource from sun.
Section Views
There are 4 ring-shape of opening that face down the water pool.
The water was designed as a reflation light machine which brings
light bounds into the chapel with a limited angle.
There is another minor, long and thin opening that is on top of the chapel,
facing east and west to get light resource from different directions.