trains

                                                          C~~~~~~C
                              C~~~~~C     C~~~~C    C~~~~~~     C~~
            ^            C~~~~ C     ~~~~~     ~~~~~           C
...

                           #########                      
                        ######                            
                   ___###___________                      
            _,--"""____...

                 _-====-__-======-__-========-_____-============-__
               _(                                                 _)
            OO(           _/_ _  _  _/_   _/_ _  _  _/_        ...

O o
    .
   __
  _||_
  ||||
 .----.
 |o<>o|
////\\\\
  /--\   -Paul Foerster-
 /----\

                                          &&&&&&&&&
                                        &&&
                                       &&
                                      &  _____ ___________
   ...

___________   _______________________________________^__
 ___   ___ |||  ___   ___   ___    ___ ___  |   __  ,----\
|   | |   |||| |   | |   | |   |  |   |   | |  |  | |_____\
|___| |___|||| |___| |__...

      __        __________
     /  \         ========   _____________
      ||          =      =  /           ]
  ___==============      = /            ]
  \_[            ========= [            ]
    ...

                o    .  o  .  o .  o  .  o  .  o
           o
        .
      .        ___
     _n_n_n____i_i ________ ______________ _++++++++++++++_
  *>(____________I I______I I____________I I_____...

      . . . . o o o o o
             _____      o
    ____====  ]OO|_n_n__][.
   [________]_|__|________)<     -rassilon-
    oo    oo  'oo OOOO-| oo\\_
+--+--+--+--+--+--+--+--+-$1-+--+--+--+--+