'About 4,000 years ago, the Mesopotamians reinvented the wheel, using these to make it lighter'
spokes
LONG AGO: About 4,000 years ago, the Mesopotamians reinvented the wheel, using these to make it lighter
About 4,000 years ago, the Mesopotamians reinvented the wheel, using these to make it lighter
About 4,000 years ago, the Mesopotamians reinvented the wheel, using these to make it lighter
LONG AGO
spokes
LONG AGO