Video: Erin Hills Tenth Hole Flyover

This year's U.S. Open back nine starts off with a 504-yard par-4 over rolling, fascinating inland dunes that won't leave many flat stances into what looks like a fairly benign putting surface surrounded by tight-mow.

The USGA's flyover gives a good look at the green complex, while the Erin Hills flyover in late light really shows off the contours: