High angle view of fields of cauliflower and lettuce, Salinas, California, USA

High angle view of fields of cauliflower and lettuce, Salinas, California, USA

High angle view of workers working in a field, Salinas, California, USA

High angle view of workers harvesting head lettuce in a field, Salinas, California, USA

Worker harvesting lettuce in a field, Salinas, California, USA

Low angle view of an electric pole, California, USA

Smog from Park Ridge Trail, Kings Canyon National Park, Sierra Nevada, California, USA

American flags placed at each individual plot in a cemetery, Los Angeles National Cemetery, Los Angeles, California, USA

American flags placed at each individual plot in a cemetery, Los Angeles National Cemetery, Los Angeles, California, USA

Person's hand on a squash at a farmer's market, Wyoming, USA

High angle view of a person sorting mushrooms at a farmer's market, Wyoming, USA

High angle view of vegetables for sale at a farmer's market, Wyoming, USA

High angle view of rock formations on a landscape, Yosemite National Park, California, USA

High angle view of a hiker standing at the entrance of a cave, Indian Well Cave, Lava Beds National Monument, California, USA

High angle view of vegetable greenhouses, Salinas, California, USA