The city it’s supposed to be a common place for all inhabitants ?Therefore public space is much more valuable with the virtue of free access and to be a “rendez vous” for all... Green areas have been working as an attractor. There for the value of the land rises as well as. The Estero is one of the most important natural reserves in Baja California and is forgotten by authorities. Our aim is to study the history of the Estero to understand the lack of the first Indian settlements since this has been natural way that the water reach their way to the see from Sierra la Laguna. This is one of the most important oasis and unique Ecosystem all over dry lands in Baja California. Now the site is abandoned and in risk to disappear. CAPALab by combining 2 main attractors (activities + green public areas) Wanted to bring back the local population and visitors to use it and make it on their own and be part of their conservation with the identity of the site rises.