NETGRAFIA

http://www.ecologiablog.com/post/11201/por-que-es-importante-el-reciclaje-de-plastico
https://es.wikipedia.org/wiki/Botella_de_pl%C3%A1stico
http://www.inspirationgreen.com/assets/images/Art/Glass/csupload.jpg
https://41.media.tumblr.com/72b8d5bfc648f4bf445a7c984f62b40b/tumblr_n83ostceYB1tg1qjjo1_500.jpg