........:«                                          «:........
.......:«^                                          ^«:.......
......:«^$                                          $^«:......
.....:«^$$                                          $$^«:.....
....:«^$$£                                          £$$^«:....
...:«^$$££                  rails                   ££$$^«:...
..:«^$$££@                                          @££$$^«:..
.:«^$$££@#                                          #@££$$^«:.
..:«^$$££@ ££££££££££££££££££££££££££££££££££££££££ @££$$^«:..
...:«^$$££                                          ££$$^«:...
....:«^$$£ ££££££££££££££££££££££££££££££££££££££££ £$$^«:....
.....:«^$$                                          $$^«:.....
......:«^$                                          $^«:......
.......:«^ trains  are  so  constructed  that  they ^«:.......
........:« have to follow a  set path. this path is «:........
.........: called  a  "railway", which is comprised :.........
........:« of two metal  rails, hence its nickname. «:........
.......:«^                                          ^«:.......
......:«^$ because  the  low friction  between  the $^«:......
.....:«^$$ wheels of the train and  the rail metal, $$^«:.....
....:«^$$£ there are limits for  how  acute a curve £$$^«:....
...:«^$$££ can be,  and even more so for  how  much ££$$^«:...
..:«^$$££@ the  ground  under   the  rails  can  be @££$$^«:..
.:«^$$££@# sloped. thus a  railway is often not led #@££$$^«:.
..:«^$$££@ on top of  hills, rather through them in @££$$^«:..
...:«^$$££ tunnels   (if   they  are   large),   or ££$$^«:...
....:«^$$£            artificial chasms.            £$$^«:....
.....:«^$$                                          $$^«:.....
......:«^$ there will be trees  on the side of  the $^«:......
.......:«^ rails,  but not too close,  or they will ^«:.......
........:« be  cut  down by  the  railway janitors. «:........
.........: there will  be  plains,  and  bodies  of :.........
........:«                  water.                  «:........
.......:«^                                          ^«:.......
......:«^$ trains  go  by  day  and by night. along $^«:......
.....:«^$$       the way, there is information      $$^«:.....
....:«^$$£ scattered,  often  put on top  of poles, £$$^«:....
...:«^$$££ to be  interpreted by the train drivers. ££$$^«:...
..:«^$$££@ different  parts  of  the  railway  have @££$$^«:..
.:«^$$££@#         different speed limits.          #@££$$^«:.
..:«^$$££@                                          @££$$^«:..
...:«^$$££ sometimes, trains have  to stop and wait ££$$^«:...
....:«^$$£ for something to happen, far away.  this £$$^«:....
.....:«^$$ is  signaled  by  red  or green  lights. $$^«:.....
......:«^$                                          $^«:......
.......:«^                 ££££££££                 ^«:.......
........:«                                          «:........
.........: many people follow the  rails  by  foot. :.........
........:« often  this  proves  to  be  the shorter «:........
.......:«^ path  between two  points. however  this ^«:.......
......:«^$ is  frowned   upon,  and  very  impolite $^«:......
.....:«^$$        toward the train drivers!         $$^«:.....
....:«^$$£                                          £$$^«:....
...:«^$$££                                          ££$$^«:...
..:«^$$££@                                          @££$$^«:..
.:«^$$££@#                                          #@££$$^«:.
..:«^$$££@                                          @££$$^«:..
...:«^$$££                                          ££$$^«:...