Describing itself as “a project to (re)present our urban habitat through a series of walks”, Urban Earth is a project by Daniel Raven-Ellison to walk across three cities: Mexico City, London and Mumbai. Aiming to explore the spaces in which we live, Daniel has already walked 30km across Mexico City. You can follow the project can here.
Territories Reimagined: International Perspectives 
Thank you for link. I will follow the project!
Really interesting, I will definitely follow the project. You may want to consider Santo Domingo, a beautiful city.