Caption: The evolution of Hindu-Arabic numerals from the 1st century to the 16th century
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 21.41 MB

Caption: Medieval Arabic method of measuring the Earth.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 15.28 MB

Caption: Historical flag of Afghanistan, used provisionally in 1992.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 37.21 MB

Caption: Man standing on mountain with moon and stars in background
Artist: Rob Colvin
Release: Not Applicable
File Size: 64.45 MB

Caption: Hand pointing to a moon and star
Artist: Rob Colvin
Release: Not Applicable
File Size: 67.66 MB