. >> reporter: robotics to compensate for uninsteady hands, micro engineering for small veins, all coming together >>> skirmishs continued in south sudan despite a peace deal signed in august. the two-year war killed tens of thousands and displaced two million people. some are returning home. one former refugee is using an arts and crafts projects to bring people together. a report from juva. >> reporter: inside the house he shows off some south sudanese craft. >> this is from various areas. this is traditionally a - well, a necklace with a bone decorated with fire nor the patterns there. >> reporter: after 20 years as a refugee abroad, she came back to help rebuild the country of her birth >> beii was independent in liv here. i know there was a lot required. being able to contribute in one way or the other was definitely something that influenced my studies, influenced what i wanted to do >>> >> reporter: part of that contribution is to preserve the culture of the area. a trader demonstrates some traditional crafts. >> inside here, you light it and use it like this. you use it for the sm