Iain Axon By Iain Axon KANSAS CITY, Missouri, July 11 (Reuters) - As Kansas City prepared to bring the curtain down on its World Cup on Saturday, local organisers were already reflecting on a month that put the Midwestern city on the global stage. Kansas City has been host to six games including a round-of-16 match and Saturday's quarter-final between Argentina and Switzerland at Arrowhead Stadium, the home of the National Football League's Kansas City Chiefs.