One on-line report says there were two in the truck.
I can only speculate it may have been a driver trainer scenario.
http://www.esbtrib.com/2015/06/26/18896/20-million-bees-escape-as-truck-tips-over/
I can only speculate it may have been a driver trainer scenario.
http://www.esbtrib.com/2015/06/26/18896/20-million-bees-escape-as-truck-tips-over/