Good video. Thanks for sharing.
Can you imagine trying to make the formwork for a concrete pour from wood on this project?
I have been searching for "ferrocement" for a few years when I should have been googling "ferrocemento" . There's much more on the subject. Here's a video showing cistern construction that caught my eye. http://www.youtube.com/watch?v=jKwIoFr6Ln8&feature=related
It's also in Spanish, but worth a look.