Clear markings keep competitors from making wrong turns, and spectators from interfering with the competition.

"Tell 'im to just sort of keep spectators out of our way, eh."

More birds grace the pine rope garlands, which keep spectators at bay.

In 1899 an iron railing was placed round the lock to keep spectators at bay.

In fact, it's what keeps spectators coming to watch each season.

There were fan activities all day long, plus music, prizes and giveaways to keep spectators entertained.

The threat shut down parking lots for hours and kept spectators outside the fence an extra hour, leaving thousands struggling to get inside by halftime.

Race marshals were posted at intervals along the route to keep spectators from running out onto the road.

The following year a police officer (above right) kept young spectators away from the wreckage of another building.

But in showing them to witnesses, prosecutors kept spectators and the courtroom camera from seeing them.