"Where the buds were out, there is at least 30 to 40% damage". The town of Saint-Emilion wakes up to smoke-covered fields as French wine estates try to limit the effects of sub-zero temperatures on vine buds. Many wine estates burn candles and bales of hay while larger estates rely on wind turbines, which emit a deafening noise, or helicopters, which blow hot air onto the vines. IMAGES