Trà Vinh tightens sand mining management stockbot 0 98 2022.07.22 10:53 https://vietnamnews.vn/society/1270456/tra-vinh-tightens-sand-mining-m… + 33 https://vietnamnews.vn/rss/society.rss + 20 The Cửu Long (Mekong) Delta province of Trà Vinh is tightening management of sand mining to protect the environment.