..........                                          ..........
..........                                          ..........
..........                                          ..........
-.........                                          .........-
~-........                                          ........-~
†~-.......                                     .    .......-~†
$†~-......                                        . ......-~†$
¤$†~-.....                                    . -.  .....-~†$¤
£¤$†~-.... gull call.                    .      . - ....-~†$¤£
#£¤$†~-... ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ...-~†$¤£#
##£¤$†~-..                                          ..-~†$¤£##
###£¤$†~-. the seagull is  a  metaphysics  trick; a .-~†$¤£###
##£¤$†~-.. world-builder's shortcut,  to  define  a ..-~†$¤£##
#£¤$†~-... section  of reality  and imply its size: ...-~†$¤£#
£¤$†~-.... place a  flock  of birds at the edge and ....-~†$¤£
¤$†~-..... make  their  calls  tesselate  over  the .....-~†$¤
$†~-...... entire volume                            ......-~†$
†~-.......                                          .......-~†
~-........ 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.)                 ..........
..........                                          ..........
-.........                                          .........-
~-........                                          ........-~
†~-.......                                          .......-~†
$†~-......                                          ......-~†$