From: tkoenig@netcologne.de   
      
   Christian Weisgerber  schrieb:   
   > On 2025-11-16, Thomas Koenig  wrote:   
   >   
   >> Saudi-Arabia wanted to build a 170 km * 200 m (widht) * 500 m (height)   
   >> building/city, outside totally made of glass, including high-speec   
   >> trains.   
   >   
   > I've been mystified why they chose a line.  Doesn't that maximize   
   > the average distance between two arbitrary points?  Isn't that   
   > exactly the opposite of what you want for a city?  Or was the idea   
   > to build this out of repeating segments, so a citizen could spent   
   > their life in one segment and would never have to travel the length   
   > of the line?   
      
   There was supposed to be a train system which would connect the   
   two ends within 20 minutes (work out the speed for yourself...)   
   I have not read anything about local area (or should I say "local   
   length"?) transit in addition to that.   
      
   Another interesting aspect, discussed nowhere that I have read,   
   is fire safety.  with more than 50 people per meter, how do   
   you evacuate people in case of a fire from up to 500 m?  Also,   
   skyscrapers have room between them, which creates natural fire   
   breaks.  The Line would have had none that I had seen (but   
   they may have been included for all I know).   
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