Giant Battle Robots Guarding a Martian Colony – science fiction illustration By Algol Designs27/07/201817/01/2022Stock Images Now available on Fotolia/Adobe Stock &etc. “Giant Battle Robots Guarding a Martian Colony – science fiction illustration” Stock photo and royalty-free images on Fotolia.com – Pic 213610569 Download the royalty-free photo “Giant Battle Robots Guarding a Martian Colony – science fiction illustration” created by Algol Designs. Illustration ©Algol Designs, all rights reserved.