3 ms·

Possibly 23k years ago https://www.usgs.gov/programs/climate-research-and-development-program/news/discovery-ancient-human-footprints-white https://www.usgs.go

by bumby 3y ago

Possibly 23k years ago https://www.usgs.gov/programs/climate-research-and-development-program/news/discovery-ancient-human-footprints-white https://www.usgs.gov/programs/climate-research-and-developme...