This could be a common sight at Augusta National this year. As told by Forbes, the SubAir system is, in essence, a giant vacuum cleaner. Augusta National also can make adjustments to the SubAir system on the greens, making them as slow or fast (usually the latter) as the officials desire. A number of other classic courses, including Pebble Beach and Congressional, employ the SubAir system, as do Major League Baseball’s New York Mets and Philadelphia Phillies. A gunman took hostages at Augusta National.
Source: Washington Post April 11, 2019 12:19 UTC