If you are lucky to be in Paris these days please visit "Tour Paris 13" project in the 13th arrondissement, 5 rue Fulton. Originally a tower in 13th arrd of Paris slated for demolition in late 2013 and Gallery Itinerrance that has promoted Street Art artists for many years. "Paris 13 Tower" is the largest group street art exhibition ever carried out, with over 4500m2 of ground space and 9 floors with 36 apartments. You can visit the tower only till October 31. On November 1, the "Paris 13 Tower" will be physically closed to the public. Till November 11 everyone can access the website and click on artworks they want to save "digitally" click by click, pixel by pixel. After the deadline the digital presence of the artworks will exists only in visitor-saved mode and the building will be completely demolished.Given the urgent and ephemeral nature of street art, the project will survived at the end only through your actions.