As an evangelical I don’t know the detailed drill, but I’d guess they would want some sort of blocked off area for the duration of the ceremony, dedicating its use for that time (you don’t have cars driving through, people walking through etc., distracting from the intended worship). The same would be desired for an evangelical worship service for obvious reasons.
how about bullets whistling by
See Civil War
or Viet Nam
or WWI or WWII
or people being gassed
or Auschwitz
or catacombs
Mass goes on
devil will be ridiculed