11.   The images include early landscapes, Minimalist grids and organically spun-out skeins of lines inspired by Chinese calligraphy.

12.   The gruesome images include a finely polished ivory by Leonard Kern of a man eating a human leg and vicious scenes of civilians tortured by soldiers.

13.   The images include high-resolution shots of specific surface elements, regional views of larger-scale features and wide-angle strips covering thousands of miles that show weather patterns.

14.   The images included molten sunflowers, hypnotic concentric circles with a white-hot core, brutalist sculptural forms, Abstract Expressionist tangles and fantastical silhouettes of water babies.

15.   The images might include pictures your children drew, scanned photos, or scanned documents such as a diploma.

16.   The layered images include lighting, so the dead celebrity will cast the right shadows.

17.   The stark black-and-white images include an anguished horse, a fallen soldier, a screaming mother and an open-mouthed bull.

18.   The telescopic images included a few million stars all told.

19.   Other images include Abraham Lincoln and Gabriel Prosser, who led a slave revolt before the Civil War.

20.   In Zahedan, near the meeting point of Iran, Pakistan and Afghanistan, the images include police officers lost in the drug fight.