.-~~\††§§#                                          #§§††\~~-.
.....~\†§@                                          @§†\~.....
.-~\†§§@##                                          ##@§§†\~-.
....-\†§@#                                          #@§†\-....
...-\\††§@                                          @§††\\-...
.-~\†§@###                                     .    ###@§†\~-.
.....~\\§§                                        . §§\\~.....
.....~~†§#                                    . -.  #§†~~.....
.....--\§§ 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.)                 §§§†~--...
.-~~~†††§§                                          §§†††~~~-.
.....~\§@@                                          @@§\~.....
.-~\†§§§@@                                          @@§§§†\~-.
.-~\†§§@##                                          ##@§§†\~-.
....-\\†§@                                          @§†\\-....