bashir xujale musse, arzt mobiles medizin-team: "most of the children here have lung infections, fungal infections or worms. nearly all of them are malnourished. very few have access to clean water. and if we aren't careful, we could soon see the first cases of cholera." >> the aid workers don't stay long here either. their impressions are fleeting. but once again - wherever you look it's dry and dusty. there's hope two hundred kilometers to the north, in the village of dhudo , although only a few people can reach it. it's a watering hole. usually, the water here is a meter higher. those who do manage to get here make sure the animals drink up. they would all like to stay, but that's not possible. the village still has enough of the precious resource, but the throng of nomads is a huge burden. said hashi yusuf, dhudo village leader: "the nomads are putting a lot of pressure on our village. even wild animals come here to drink. very few cattle farmers have any money at all. we hope there will be enough water to last a while, but we just don't know." >> the stop at the watering hole is al