A unique project called "Oxigeno" is currently under construction in San Francisco de Heredia, San José, Costa Rica. The recreational and commercial space, which measures almost 1,345,489 ft², offers the visitor a relaxing shopping atmosphere in harmony with nature. Among other things, 200 trees were planted on the site. The main food court is covered with a 17,222 ft² ETFE cushion as a roof, currently the biggest in the world.