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:
clouds sky nature wild wander wanderlust weather patterns sunset sunrise light air day environment summer color cloudscape sunlight cumulus outdoors fluffy meteorology heaven high climate sun cloudy sunny atmosphere scene spring season ozone orange purple evening morning glow cloudiness oxygen heavenly seasonal scenic
Page 2017 Free-images.com. All images are Public Domain