........~=                                          =~........
.......~=:                                          :=~.......
......~=:%                                          %:=~......
.....~=:%¤                                          ¤%:=~.....
....~=:%¤¶                                          ¶¤%:=~....
...~=:%¤¶#                                     .    #¶¤%:=~...
..~=:%¤¶##                                        . ##¶¤%:=~..
.~=:%¤¶###                                    . ~.  ###¶¤%:=~.
..~=:%¤¶## 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.)                 #¶¤%:=~...
..~=:%¤¶##                                          ##¶¤%:=~..
.~=:%¤¶###                                          ###¶¤%:=~.
..~=:%¤¶##                                          ##¶¤%:=~..
...~=:%¤¶#                                          #¶¤%:=~...
....~=:%¤¶                                          ¶¤%:=~....