The urban development patterns of Lexington, Kentucky, confined within an urban growth boundary that protects its famed horse farms, include greenbelts and expanses of land between it and the surrounding towns. This has been done to preserve the region's horse farms and the unique Bluegrass landscape, which bring millions of dollars to the city through the horse industry and tourism. Urban growth is also tightly restricted in the adjacent counties, with the exception of Jessamine County, with development only allowed inside existing city limits. In order to prevent rural subdivisions and large homes on expansive lots from consuming the Bluegrass landscape, Fayette and all surrounding counties have minimum lot size requirements, which range from 10 acres (40,000 m2) in Jessamine to fifty in