Horses walking in a line

people 30 39 years 30s 35 39 years 35 40 years adult adults adventure agricultural agriculture american west animal animals caucasian caucasian ancestry caucasian ethnicity caucasians country countryside equine equines farm farm land farming farmland field fields grass grass blades grass field grass fields grassland grasslands horizontal horse horses landscape landscapes lawn lawns line male males mammal mammals meadow meadows mid adult mid adults mid adult mid adult man mid adults natural natural landscape nature one person outdoor outdoor life outdoors rural rural landscape rural landscapes scenic scenic landscape scenic landscapes thirties tradition usa walking western colorado wild grass