AlQa'dah 16, 1436, Aug 31, 2015, SPA -- German Chancellor Angela Merkel said on Monday that the migrant crisis presented Germany with a major challenge that would not be resolved anytime soon, urging citizens to show flexibility and patience, according to Reuters. "We stand before a huge national challenge. That will be a central challenge not only for days or months but for a long period of time," Merkel said during a press conference in Berlin. "German thoroughness is great, but what we need now is German flexibility," she added.