believed back in their native countries leading al qaeda's local branches. >> translator: safe -- saif al adel gave recruits military training. he's like a mentor for regional al qaeda leaders in countries like yemen, morocco and somalia. >> reporter: he said that al qaeda may commit even more acts of terrorism if its local organizations gets stronger and the leaders of the operations have military capabilities. >> translator: arabs used to lead al qaeda, but now, the network has leaders around the world. the network must be planning even more serious attacks than the ones ten years ago. >> reporter: ten years since 9/11, al qaeda has lost its charismatic leader, but with new leaders it's still a potential threat worldwide. go sawatha, nhk world, sanaa. >>> next in 9/11, defining a decade, a report about an artist making a sculpture out of steel from the twin tours' wreckage. >>> time to check on news from brood casters around asia. we start with this from cam boa. cambodia withdrew another 5,000 troops from its border in thailand. this was the seventh such withdrawal when the international co

saif al adel is on the list of the most wanted terrorists. he is said to have trained extremists from around the world in afghanistan and they are now believed back in their native countries, leading al qaeda's local branches. >> translator: saif al adel is like a mentor in countries like yemen, morocco and somalia. >> reporter: al bahri says he will commit acts of terrorism if his local organization gets stronger and the leaders with the operation have military capabilities. >> translator: arabs used to lead al qaeda, but now the network has leaders around the world. the network must be planning even more serious attacks than the ones ten years ago. >> reporter: ten years since 9/11, al qaeda has lost its charismatic leader but with new leaders it's still a potential threat worldwide. go sawahata, nhk world. >>> next in "9/11 defining a decade" a report about an artist making a sculpture out of steel from the twin towers wreckage. >> reporter: the march 11th disaster, the september 11th attacks. two anniversaries, one source for in-depth cove