Luke Duggleby's photos take viewers inside Southeast Asia’s illegal dog-meat trade. Duggleby, who traveled to Thailand, Laos and Vietnam for the story, documents a business that is estimated to include hundreds of thousands of dogs per year.

As a child in Japan, Hiroko Tanaka saw a television report on Vietnamese twins who were attached at the head at birth. The deformity was blamed on their parents’ exposure to the herbicide known as Agent Orange. As an adult she sought to explore the lasting effects of Agent Orange through photojournalism.

Tomas van Houtryve has been photographing communism around the world for the past seven years. His interest was piqued while studying in Nepal. He also traveled to China, Cuba, Laos, Moldova, North Korea and Vietnam. The images he took in those countries are now published in his book, “Behind the Curtains.”