Quadrupedal adult man hand walking Mazatlan Mexico 1973. Also known as Unertan syndrome.  "Dr Nick Humphrey the leading authority on Quadrupedal humans says of these photographs are the ""...earliest record I know of.""
WALKING ON ALL FOURS QUADRUPEDALISM
Quadrupedal adult man hand walking Mazatlan Mexico 1973. Also known as Unertan syndrome. "Dr Nick Humphrey the leading authority on Quadrupedal humans says of these photographs are the ""...earliest record I know of.""

Filename: QUADRUPED HUMAN HAND WALKER QUADRUPEDAL QUADRUPEDALISM QUADRUPEDAL ADULT MAN HAND WALKING PERSON 1970S MEXICO 002.jpg
Source: Homer Sykes
Date:
Location: Mazatlan Mexico
Credit: HOMER SYKES
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Keywords:
  • Mazatlan
  • Mexico
  • quadrupedalism
  • Quadrupedal
  • quadruped
  • hand walker
  • Quadrupedal adult man
  • hand walking
  • human quadruped
  • ARCHIVE STOCK
  • 1970s
  • 70s
  • 1973
  • TRAVEL STOCK
  • Central America