.......-†*                                          *†-.......
........-†                                          †-........
.........-                                          -.........
..........                                          ..........
.........-                                          -.........
........-†                                     .    †-........
.......-†*                                        . *†-.......
......-†*$                                    . -.  $*†-......
.....-†*$¤ gull call.                    .      . - ¤$*†-.....
....-†*$¤# ---------------------------------------- #¤$*†-....
...-†*$¤#@                                          @#¤$*†-...
..-†*$¤#@# the  seagull is  a  metaphysics trick; a #@#¤$*†-..
.-†*$¤#@## world-builder's shortcut,  to  define  a ##@#¤$*†-.
..-†*$¤#@# section of reality  and imply its  size: #@#¤$*†-..
...-†*$¤#@ place a  flock of  birds at the edge and @#¤$*†-...
....-†*$¤# make  their  calls  tesselate  over  the #¤$*†-....
.....-†*$¤ entire volume                            ¤$*†-.....
......-†*$                                          $*†-......
.......-†* a seagull  can be defined by  as  little *†-.......
........-† as  five  vertices;  six  triangles.  (i †-........
.........- would  recommend handling in  swarms  of -.........
.......... at least a dozen birds.)                 ..........
.........-                                          -.........
........-†                                          †-........
.......-†*                                          *†-.......
......-†*$                                          $*†-......
.....-†*$¤                                          ¤$*†-.....