In Business - Civilian unmanned aerial vehicle tested over crop fields - ÃÛÑ¿´«Ã½ Sounds

In Business - Civilian unmanned aerial vehicle tested over crop fields - ÃÛÑ¿´«Ã½ Sounds
Civilian unmanned aerial vehicle tested over crop fields
Adrian Eaves, head of flight operations at aviation consultancy Callen-Lenz, and Peter Day