#46 Metro stations: The gateway to the city
Engineering Matters - En podkast av Reby Media - Torsdager
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A tremendous change occurred with the industrial revolution: whereas it had taken all of human history until around 1800 for world population to reach one billion, the second billion was achieved in only 130 years in 1930, the third billion in 30 years in 1960, the fourth billion in 15 years in 1974, and the fifth...
