How many half steps
are there between Eb and Eb?

Five interval qualities are possible: perfect, major, minor, diminished, and augmented. The quality of an interval is determined by the number of half steps it contains. For example: d to e-flat is a minor second (one half step) and d to e-natural is a major second (one whole step or two half steps).

Here is a picture of a turtle, just an idea though

What i think is that it adds loudness for preachers/church choirs. it is also able to hold up a lot of weight without pillars. : )) idek tho