A child receives free treatment at a medical center, in Sanaa, Yemen, on Dec. 14, 2016. Even before the escalation of the conflict in March 2015, Yemen faced challenges from widespread poverty, food insecurity and a dearth of health services. Now Yemen's health system is on the verge of collapse. Less than a third of the country's population has access to medical care. Less than half of health facilities are functional. Health workers have not been paid their wages for months and aid agencies are struggling to bring in lifesaving supplies because of the political deadlock between the warring parties. At least one child dies every ten minutes in Yemen because of preventable diseases such as diarrhoea, malnutrition and respiratory tract infections. (Xinhua/Mohammed Mohammed)