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Wednesday, June 22, 2016

Watch the spread of urbanization from 3700BC until today across the world.

John A Hill said...: Cool; Jun 22, 2016, 6:19:00 AM
eViL pOp TaRt said...: That is fascinating! Humans have gotten used to crowds in more places.; Jun 22, 2016, 6:23:00 AM
Rammer Jammer Yellow Hammer said...: A very dramatic explosion of urbanization.; Jun 22, 2016, 11:48:00 AM
Heather said...: Too cool!; Jun 22, 2016, 6:23:00 PM