Free high resolution closeup photo of an old rusted manhole cover. This photograph shows the weathered metal texture with the square bumps of the manhole cover. The picture is free for any use, but would make a great web background or desktop wallpaper.
This work is dedicated to the Public Domain. For non-US use it is also placed under a Creative Commons CC0 designation. If you do use the photo, please consider giving credit and linking back to the site. This isn't required, but it's a very good way to support our efforts. Just something like, "Photo courtesy photos-public-domain.com".