Yunnan Highway (IMAGE) University of Cambridge Caption A highway cuts across the Yunnan Province of Southwest China, part of the Greater Mekong. Credit Jianchu Xu & Biaoyun Huai Usage Restrictions Please credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.