Yemenis walk at al-Melh market in the Old City of Sanaa, Yemen, on March 31, 2019. The civil war in Yemen has entered into its fifth year with no sign of letting up. The war has pushed the country's economy to the brink of collapse with sharp plunge in the currency and soaring inflation left millions jobless. The country's infrastructure, health system, highways and airports have severely been damaged. (Xinhua/Mohammed Mohammed)