In this Inside Out special they take a look at the end of the Afghan war. British troops are packing their bags and heading home from Afghanistan. Harry Gration travels to Camp Bastion and meets the expert medical teams who've been saving thousands of lives.
Hundreds of British Muslims are becoming Islamic State militants, Caroline Wyatt meets the Londoner mother who travelled to the borders of Syria to bring back her son. Elsewhere Shaun Peel discovers why tonnes of earth excavated from Crossrail project is helping build one of Europe's most important wildlife centres.