Ijabu Hassan has had no chance to grieve the deaths of her children. She's had to focus on keeping the others alive. Her four-year-old and five-year-old died from malnutrition in their inland town of Burhakaba, victims of a record drought that has propelled Somalia to the brink of famine.

Mário Macilau opens up about his journey to become an award-winning photographer and the messages behind his striking images in his home country of Mozambique.