There's also an article about a research facility in Argentina developing a new version of this tower: [spanish] http://www.pagina12.com.ar/diario/sociedad/3-1

There's also an article about a research facility in Argentina developing a new version of this tower: [spanish] http://www.pagina12.com.ar/diario/sociedad/3-164105-2011-03-14.html http://www.pagina12.com.ar/diario/sociedad/3-164105-2011-03-...