Impressive in its design, this flow map was made in 1853 by the famous French engineer and cartographer, Charles Minard. It shows the quantities of cereal products which circulated in 1853 on the waterways and railways in France! View closer here: https://t.co/qhidpHijBv …
— Kenneth Samson (@PangurBanC) Nov 22, 2021
from Twitter https://twitter.com/PangurBanC
November 22, 2021 at 11:33AM
via PangurBanC
https://linktr.ee/samsonkg
