Guardian: Link to this video When the desert winds tear up the sands outside his front door, Huang Cuikun, pictured below in a dried- up riverbed near his home, says he is choked by dust, visibility falls to a few metres and the crops are ruined. Dust storms hit his village in Gansu province more often than in the past. The water table is falling. Temperatures rise year by year. Yet Huang says this is an improvement. Three years ago the government relocated him from an area where the …