'About 7,000 years ago Mexican Indians improved this crop, notably the size of its ears'
Corn
ANCIENT HISTORY: About 7,000 years ago Mexican Indians improved this crop, notably the size of its ears
About 7,000 years ago Mexican Indians improved this crop, notably the size of its ears
About 7,000 years ago Mexican Indians improved this crop, notably the size of its ears
ANCIENT HISTORY
Corn
ANCIENT HISTORY