Trick Biking in a war zoneTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video06/10/2017June 10, 2017This Week on World Stories: A BMX bike club in Kabul, culture of nonviolence in Hebron, China dominates Bitcoin trade and the world’s oldest gymnast.https://p.dw.com/p/2eRN4Advertisement