Please see the documentary and copy the link from DW TV on SonneAire and the founder here:
http://www.dw.com/en/founders-valley-energize-the-world-4-10/av-41322550
or from youtube:
Please see the documentary and copy the link from DW TV on SonneAire and the founder here:
http://www.dw.com/en/founders-valley-energize-the-world-4-10/av-41322550
or from youtube: