richmond santillana 1ºeso and relief shapes

http://docs.google.com/present/view?id=0Ac7-zyF58BQfZGZqNDJ0bmdfMTc3Z2JtaGRqaHM&hl=en

http://quisicutdeus.blogspot.com/2009/10/relief-shapes-for-1st-eso.html