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:
castle chain doors rust rusty guard metal dirty part closeup system keep old background destroy danger corrosion sketch gate security grain iron protection safety deposit box access precautions closed details steel shackle key the risk of loop corrosive wire rope links chained shadow red freedom
Page 2017 Free-images.com. All images are Public Domain