the country will also launch the 4 lunar probe around 2018 to achieve what it t calls mankini fifirst sosoft landingng on the side of the momoon. china's leaders have made it a national goal to become a power in space development by 2030, to catch h up with the united stat, the leader in the field. >>> patient refugees have become a social problem in china. these are patients from rural areas who come to cities looking for better medical care, but can't afford a hospital bed as they undergo or await treatment. shortcomings in the health care system are mainly to blame. and with cases of cancer in china on the rise, the situation is getting worse. nhk world's daisuke asthma has more. >> reporter: day has only just dawned, but many people are waiting outside this hospital which specializes in cancer. the number of cancer patients in china has risen dramatically with an estimated death toll of as many as 7,500 people a day. cancer centers are mostly in big cities, with virtually none e i areas. >> translator: i can't get to see a doctor however long i wait in line. >> reporter: the number of patients see