Not necessary to indicate the author or source - photo by Martin Vorel.
Do not use it in simmilar stock photos websites.
Free image "Statue and Radiotelescope" - License
Image license: CC0 Public Domain (Free for commercial use / No attribution required).
See a detailed information about the license. Royalty free.
All the photos on the website have the same license.
Photos can be downloaded for free and can also be used for commercial purposes. It is not necessary to indicate the author, but if you put on your site a link to libreshot, I will be grateful :-)
You are not allowed to mass download images with an application, or reuse a big part of the Images for redistribution on a similar Website without my permission.
Please respect the personal rights and trademarks, if there are people and brands on the photograph.