we are going to Sciencie Park
14/05/2014 12:35
escher´s universewww.parqueciencias.com/export/sites/default/comun/galerias/galeriaDescargas/parqueciencias/Planetario/Escher/technical_english.pdf
here's the website with the poster about the program:
https://www.parqueciencias.com/