You need to be logged in to mark episodes as watched. Log in or sign up.
Season 1
From the first log thrust over a divide, bridges have united us, facilitating our need to explore and our desire to extend our mastery of physics. In this episode, we look at bridges built by pre-industrial societies around the globe.
From the first log thrust over a divide, bridges have united us, facilitating our need to explore and our desire to extend our mastery of physics. In this episode, we look at bridges built by pre-industrial societies around the globe.
If there are missing episodes or banners (and they exist on TheTVDB) you can request an automatic full show update:
Request show update
Update requested
