This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
outdoor grass plant The photograph shows spider unit which is being used to help study the landslide that occurred in northwest Washington on March . Spiders are portable instrumentation packages that contain highprecision GPS units for detecting landslide movement as well as geophones for detecting small vibrations. The spiders