Shelters big enough to house families-of-thousands in refugee camps . New features include solar panels , high-ceilings and lockable doors . Mass roll-out follows successful trial in Ethiopia and on Syria border . Charities say it will improve the lives of six of displaced migrants .
Shelters big enough to house families-of-six in refugee camps . New features include solar panels , high-ceilings and lockable doors . Mass roll-out follows successful trial in Ethiopia and on Syria border . Charities say it will improve the lives of thousands of displaced migrants .