A Tennessee vineyard is employing a small fleet of helicopters to circulate the air over their vines, to keep them from freezing. WCYB's Preston Ayres reports.April 13, 2012
UP NEXT
FAA reduces aircraft flow around NYC due to staff shortages
02:21
Former Trump Organization CFO to plead guilty to criminal charges
00:31
Federal prosecutors ask judge to keep Trump's Mar-a-Lago affidavit sealed
01:12
MTP NOW Aug. 15 — Mar-a-Lago investigation momentum; Alaska & Wyoming primaries; WH midterm travel
49:51
Federal prosecutors ask to keep Trump search warrant affidavit sealed
00:32
Full Panel: Trump’s Mar-a-Lago controversy turns 2022 from a referendum into a choice