Please ensure Javascript is enabled for purposes of website accessibilityHuman footprints found in New Mexico are between 21,000 and 23,000 years old, scientists confirm
View Thumbnails icon
VIEW THUMBNAILS
More Galleries icon
MORE GALLERIES
1/3
Caption
Close icon

read story iconREAD THE ARTICLE
SHARE
Facebook Share IconTwitter Share IconEmail Share Icon
view thumbnails icon
VIEW THUMBNAILS
read story icon
READ THE ARTICLE
more galleries icon
SEE MORE GALLERIES
SHARE
Facebook Share IconTwitter Share IconEmail Share Icon