Originally Posted by team3521:
Awesome photo! Thank you!
It looks like there are some cars in that field without cages.
Those were the days when racing was dangerous and sex was safe.
It's a little grainy but when you blow up the photo it sure looks like the cars on the inside of rows 4 and 5 are cageless. I know it sounds crazy but that would put this photo at 1970 at the latest. And if it was taken in 1973 there would be rear engined cars in the race.