Maria Vidal

A heart-shaped hot air balloon soars over snow-covered land. Every February 14, people around the world celebrate romantic love on Valentine's Day—but historians say the true inspiration for the holiday may have been a festival celebrating fertility—or the ex*****on of a martyr.

Fatuma Yassin, 34, embraces her three-month-old son, Khalid, who is severely malnourished, in the Gardo Hospital in Puntland, Somalia. Yassin and her four children were dependent on pastoralist relatives to provide meat and milk from the animals. But as the drought persisted, relatives moved away in search of food and water.