- 54318 1600x900 communication, blue background, scheme
- 12609 1600x900 polar bears, communication, animals
- 6203 1600x900 earth, planet, communication
- 31015 1600x900 computer code, screen, communication
- 104386 1600x900 galaxy cluster, gravity, communication
- 11356 1600x900 penguins, three, communication
- 17760 1600x900 person, schemes, plexus