September 2020 - Dajianshan Tunnel and Taida Village Tunnel successfully completed as part of project which is planned to be opened next year; June 2020 - 69 tunnels penetrated; Construction started in April 2016; Project will connect Kunming in Yunnan Province to Jinghong in Xishuangbanna Dai Autonomous Prefecture to Vientiane in Laos; Project is more than 1000 km long, involves construction of 93 tunnels and is part of Belt and Road Initiative of China; [B&R]