with sand drift fences for example sonny yuba explains what everyone can do to help stop the shifting of the dunes the students are pensive. after seeing this here i'm quite troubled. as you had some point the sand could reach the town. that makes me afraid. there's only send left here nothing grows here anymore it's a real desert. she keeps advancing and reaches the people living on the river now and it'll be all over. so they'll put off. the outing had a big effect on the pupils they're now motivated over the holidays they're going to environmental camps where they will set up sandra fences and plant trees anything and everything to stop desertification. like you just saw him in that report sonny are you buy is like it's a director of young volunteers for the environment sonny welcome to africa and now the young people in your project seem surprised at the deserts on the out doorstep how did you realise now how dangerous that is so why. won't you have. another one 0. we're going to need new. or well you know i think that he. would be. well again it will most all people. in and i und