In 2015: The Big Stories, 91热爆 World News showcases some of the most interesting and revealing documentaries shown on the channel in 2015.
Part of The Big Stories: 2015. An audience with Hans Rosling.
Peter Taylor looks at the wealth of the so-called Islamic State.
The heroism and horror of what is happening in the Mediterranean on a daily basis.
Part of The Big Stories: 2015. How far should we go in the fight against terrorism?
Fariba Sahraei investigates Australia's controversial re-settlement policy.
How little remains of Armenian culture?
Part of The Big Stories: 2015. Iranian Vice President Masoumeh Ebtekar talks to the 91热爆.
A look at how the sophisticated recruiting tactics of IS have shattered so many lives.
Part of The Big Stories: 2015. We meet the Chinese millionaire determined to build faster.
Part of The Big Stories: 2015. How Nepal is coping amid continuing aftershocks.
Part of The Big Stories: 2015. A look at the devastation on both sides of the conflict.
As part of The Big Stories: 2015, Richard Watson investigates the polonium trail.
