With Chinese characters, ten is ten-blank and eleven is ten-one (zero was left as a blank space: 405 is 'four blank five'), This was much ... the crisscrossing grid of latitude and longitude). His ...

This essay looks at the great Eurasian Silk Roads as a transmitter of people, goods, ideas, beliefs and inventions. Good ideas travel easilyand far along trade routes, and the Silk Road was no ...