...~\§%@##                                          ##@%§\~...
....~\§%@#                                          #@%§\~....
.....~\§%@                                          @%§\~.....
......~\§%                                          %§\~......
.......~\§                                          §\~.......
........~\                                     .    \~........
.........~                                        . ~.........
..........                                    . ..  ..........
.........~ 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.)                 \~........
.........~                                          ~.........
..........                                          ..........
.........~                                          ~.........
........~\                                          \~........
.......~\§                                          §\~.......