The Livingston Awards are handed out every year to celebrate outstanding work from journalists under 35. Here are this year’s winning stories, honored this week in New York: 

“Slavery’s Last Stronghold” (John D. Sutter & Edythe McNamee,

International Reporting winner: A trip to Mauritania, where an estimated 10% to 20% of the population lives in slavery.

“The Things They Leave Behind” (Rachel Manteuffel, Washingtonian)

National Reporting winner: A closer look at the letters, mementos and other artifacts left behind at the Vietnam Veterans Memorial.

“In God’s Name” (Alexandra Zayas and Kathleen Flynn, Tampa Bay Times)

Local Reporting winner: An investigation into the abuse of children at unlicensed religious group homes in Florida.