.....A cave in a remote part of Mexico was visited by humans around 30,000 years ago – 15,000 years earlier than people were previously thought to have reached the Americas.
— St John's College, Cambridge (@stjohnscam) July 22, 2020
The fascinating research by a John's academic traces evidence of the first Americans: https://t.co/67idowDMTP pic.twitter.com/0fzC5eEqOj