Clase 5

 Regla de tercios

https://online.anyflip.com/xvkeb/liaq/mobile/index.html

Ley del horizonte

https://online.anyflip.com/xvkeb/wfbm/mobile/index.html

Foco selectivo

https://online.anyflip.com/xvkeb/upho/mobile/index.html