The idea is simple, to create a sudden lawn for the inhabitants. As happened in Florence in 2008 - and this would be the first re-edition of such idea - the project took place on an unused place, in that case it was on a square, for BienalSur it could be on a forgotten lot, an abandoned area, a disused square or a dismissed garden. What is important is that the area that will be chosen is within a populated district, where people can enjoy and have inspiration about such project.
The crucial point of the project is to transmit an idea of the power of the citizens in terms of activism, social engagement and ability to make change happen.
The lawn would be installed by the artist and all the citizens involved. In 2008 the project had a great particpation of unsolictied inhabitants, that passing from there during the night, were very stimulated and inspired by such idea and decided to take part in.
In the frame of BienalSur is to create a very huge and inspiring action that could engage all the different inhabitants of the city as well as the politics, the changemakers, and inspire other cities countries. 
A lawn instead of an abandoned/unused space does not need any explanation or instruction, it's the most genuine thing for the urban landscape. In Florence, the lawn stayed for one month and thousand of children families, students, tourists, elders, immigrants spent their time together sharing the same space.