Carol Walker / Cowboy riding over hill in snow, Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Cowboy riding bucking palomino horse, Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Cowboys running horses with group of horses through water at Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Horses running through water at Sombrero Ranch, Craig, Colorado, USA

Carol Walker / Cowboy running horse through water at Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Cowboy running horse through water, Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Cowgirl running paint horse through water, Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Cowboy holding newborn foal, Sombrero Ranch, Craig, Colorado, USA Model released

Carol Walker / Cowboys driving horses (Equus caballus) across the water at Sombrero Ranch, Craig, Colorado. Model released.

Carol Walker / Cowboy driving a horse at Sombrero Ranch, Craig, Colorado

Gary K. Smith / Potting Tomato seedling {Solanum lycopersicum} 'Ailsa craig' variety, in greenhouse, UK, March

Nick Upton / Jamie Craig of Cotswold Wildlife Park opening a temporary holding pen to allow captive reared juvenile White storks (Ciconia ciconia) to emerge on release day on the Knepp estate, Sussex, UK, August 2...