James Christensen / Irrigation sprinkler in field, Enterprise, Oregon

Yva Momatiuk & John Eastcott / Common Sunflower (Helianthus annuus) field, close up of cultivated blooms with mature seeds in farmer's field, evening, Kansas

Norbert Wu / Vineyard near Greenfield, California

Richard Herrmann / China Ranch Date Farm, near Tecopa, Amargosa Desert, California