Outdoor workers battle the cold to keep city clean stockbot 0 11 01.27 09:48 https://vietnamnews.vn/society/1639854/outdoor-workers-battle-the-cold… + 0 https://vietnamnews.vn/rss/society.rss + 1 The workers are given ginger tea, ginseng, oil and thermal patches to help them cope with the cold weather.