1) The general public, including Grand Gatherings, cannot get divers and signs.
2) But, for certain charities, celebs, or corporate outings, anything can be done.
3) Including
. . . divers and signs
. . . closing/opening of parks for their sole use
. . . having "fans" yell and scream when the group comes into view
NOTE: Charities go through Community Affairs, which the public cannot do.