urbanization.org/ rethinks publication and interactive content. This resources comes in two parts. Part one of the project involved translating Ildefons Cerdà's General Theory of Urbanization 1867 to English. Volume I was published March 2018 by Actar. Volume II is published on their Big Data Platform. Take note of the exquisite interactive 3D visualizations of Barcelona from 1867 and 2017 and the open tool for #datavisualizations. Part two of the project is urbanization.org.