,,,,,,,@,,                                          ,,,@@,,,@,
@@@@@@,,,,                                          @@,,,,@,,,
,@@@@,,@@@                                          @,,@@,,,@,
,,@@,,,,@@                                          ,,,,,,@,,,
@,,,,@@,,,                                          @@@@@,,,@@
,,@@,,,,@@                  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!        @@,,@@@@,,
@,,,,@@,,,                                          @,,,,@@,,@
,,@@,,,,@@                                          ,,@@,,,,,,
@,,,,@@,,@                                          ,,,,,@@@@@
,,@@,,,,,,                                          @@@@,,@@@@
,,,,,@@@@@                                          @@@,,,,@@,
@@@@,,@@@@                                          @@,,@@,,,,