In search of increased funding for their marketing efforts, Colorado Tourism Office officials think they may have found one source through partnerships with destinations willing to get their images into CTO ads running across the country. Colorado is the leading winter destination in America and is in the midst of a visitation boom, having attracted 77.7 million tourists in 2015 who spent $19.1 billion and supported more than 160,000 jobs. The number of visitors is up 31 percent in the past five…