[[tweetable]]How fast is your city growing? The answer may depend on where you live.[[/tweetable]] There are the booming megacities such as Tokyo, Mumbai, and Nairobi. Then there are cities that…

Ede Ijjasz-Vasquez, Paula Restrepo Cadavid |

Also available in: Русский | Română | Türkçe Ruins of the Church of Saint Paul, following the 1755 Lisbon earthquake. (Photo via Wikimedia Commons) [[tweetable]]Did you know that, in 1755,…

David Sislen, Alanna Simpson, Yann Kerblat |