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chrispecht
642 subscribers
4 videos
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Latest Videos
6:03
Biochar production in Ouagadougou
chrispecht
35.5K views
·
9 years ago
8:54
Biochar Production
chrispecht
78.8K views
·
10 years ago
0:34
Tragedy of the commons
chrispecht
967 views
·
17 years ago
7:26
Christina&Christoph
chrispecht
983 views
·
17 years ago
chrispecht - NatokHD | NatokHD
