At 10:00 am on April 23, the project inspector li feng-huai and visiting officer deng hongmei arrived at a digital city in guangzhou to visit several property managers who had made reservations in advance. This year has been China's rural-urban migration survey (Rural - Urban Migrantion in China, hereinafter referred to as RUMiC) project through the tenth year, countless questionnaire during access into the survey work, in much of the country of the floating population moved out of the nine provinces of the maximum number of 15 cities, survey sample size is also growing at an annual rate of 20%. For RUMiC, today is an ordinary day, because it is not so different from the past 2,000 days and nights. Today is an extraordinary day, because every day I can hear different stories about the vagabond.