I show the basics of making adobe bricks with sand/dirt right out of my own back yard here in sunny Florida. I was able to make a strong brick using portland cement and sand/dirt. I also had sucess with mixing yard grass/weeds into the bricks. I failed making good bricks using horse manure and wood ashes, but I did suceed in proving that was not the right way on how to make ‘em.http://www.youtube.com/watch?feature=player_detailpage&v=7k-5lmHNS38