Andreas Wiseman International EditorJames McAvoy is to narrate Channel 4 Entertainment reality competition show The Bridge.The show will see 12 strangers come together on the banks of a picturesque lake in the British countryside where they will need to work together to build a bridge in 20 days to an island 250 meters away. Each person in the winning team will get a vote for who they think is the most deserving of of the £100k prize.