The Atlanta Falcons did not cross the 30 yard line yesterday in 30-0 loss to the Carolina Panthers.

https://www.espn.com/nfl/playbyplay/_/gameId/401772838

The Panthers yesterday either forced a missed field goal from outside the 30, a punt, or a turnover. The falcons never got to the 30 yard line.

Edit: To clarify, they did not cross the Panthers 30 yard line.