A French mason and a farmer from Burkina Faso have revived an ancient African construction technique using only organic materials. The resulting homes are as elegant as they are eco-friendly.
For more environment videos go to: http://www.dw.com/en/top-stories/environment/s-11798
For more environment videos go to: http://www.dw.com/en/top-stories/environment/s-11798
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