I didnβt think about storage space for a very long time, and tbh I still donβt - but Iβm recently really struck by bandwidth and read/write speed limitations.
Dhul Qarnayn did not build a wall - he built a seal made of steel sheets, melted and then coated with copper. Such a seal has the properties of withstanding seismic activity and the copper prevents the steel for rusting over millenias.
