The ultimate failed state. That's what some call Somalia in the Horn of Africa. Peter Greste is in the capital Mogadishu, perhaps the most dangerous city in the world. He's finding out why thousands of Somalis are leaving homes in the countryside and flooding in to the city? Another mass migration's going on in China. But, as Juliana Liu tells us, difficulties can lie ahead for the country people heading for town in search of a better life. Paul Henley's been looking at an economic boom that's lifting parts of Poland; one port city's described as the future Sydney and Dubai of the Baltic. The worst drought in fifty years has hit Texas. Jonny Dymond finds one rancher whose fortunes are suffering -- but he says he's battling on: it's the American way. And she's called the Miss Marple of the Himalayas; Joanna Jolly meets the woman who keeps climbers in Nepal roped to the truth.