flickr and wikimedia.
It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
Startup Stock PhotosProcessed with VSCOcamStartup Stock PhotoProcessed with VSCOcam
sunset sky orange nature sunrise landscape countryside rocks purple natural free bluemountains canyon vally stockimages stockphoto publicdomain stockphotography austrlalia commercialphotography freestockphotos edgregory stokpic PhotoProcessed with
Page 2017 Free-images.com. All images are Public Domain