Earth tones: San Francisco Bay Area

Across the top row:

Treasure Island, an artificial island accessible by the San Francisco–Oakland Bay Bridge.

Image courtesy of Digital Globe 7/8/18 19:24 UTC. Coordinates: 37.82 N, 122.37 W.

The Port of Oakland.

Image courtesy of Digital Globe 7/8/18 19:24 UTC. Coordinates: 37.79 E, 122.32 W.

Across the bottom row:

The Advanced Light Source particle accelerator at Lawrence Berkeley National Laboratory.

Image courtesy of DigitalGlobe 6/26/18 19:28 UTC. Coordinates: 37.88 N, 122.25 W.

The Don Edwards San Francisco Bay National Wildlife Refuge.

Image courtesy of Planet Labs 8/20/18 18:15 UTC. Coordinates: 37.50 N, 122.04 W.

Caroline Binley