Have you ever watched one of those ultimate physical challenge TV shows where contestants run across angled blocks, scale walls and do other impossible looking things? Well flashback to to see the real thing.
This 1940s newsreel footage shows the lumberjacks of days-gone-by as they scale heights to fell trees, run across a traffic-jam of logs flowing down a river, canoe rapids and top it off with a log spinning contest at the end.
...and log rolling is still today a competitive event, see here