Micro Concrete tiles, mud bricks, pozzolanic cement: EcoSur - Home

At a recent six-week course for Clay House Project staff in Orwetoveni, nine men and women, average age thirty, got together each morning with senior volunteer Wolfgang Christian from Offenbach, Germany, to learn more mathematics, geometry and history. Everyone worked hard to catch up on past educational deficiencies. “At the end of the course I was impressed by the good learning capacity and curiosity of the students,” said Dr. Christian, a retired school teacher