8:24

6:00

5:20

16:12

8:00

1:28:46

42:37

10:25

1:09:00

6:35
Johannes Lehmann holds jars of biochar
8:52

1:16:08

1:25:31

1:13:00

1:38:00

1:21:00

1:03:00

14:18

6:14

1:27:00

10:28

19:34

9:02

1:44:00