The heat is on stockbot 0 2 06.26 20:14 https://vietnamnews.vn/society/1658232/the-heat-is-on.html + 0 https://vietnamnews.vn/rss/society.rss + 0 Working in the outside sun as temperatures rise may not be ideal, but some people say this is the best time, as their business booms when the weather gets warm.