That’s what FRONTLINE filmmaker Martin Smith and his team witnessed in May when they became the only foreign journalists given permission to enter Yemen,

children describing the sounds bombs make as they fall. Streets covered with rotting garbage. Doctors and nurses who have gone months without pay, at hospitals struggling to care for an influx of cholera patients and malnourished infants.

That’s what FRONTLINE filmmaker Martin Smith and his team witnessed in May when they became the only foreign journalists given permission to enter Yemen, the country that’s home to what the United Nations recently called the “largest humanitarian crisis” in the world.