It’s been 4 years since an Arab army coalition, led by Saudi Arabia, intervened in Yemen’s civil conflict.
Tens of hundreds have been killed, however in amongst the battle there’s one place that’s prospering – town of Marib.
How is that attainable? The BBC’s Paul Adams went to search out out.
Producer: Maria Byrne; Digital camera: Moose Campbell; Enhancing: Olivia Lace-Evans