Lakmun Tunnel of China-Laos Railway in Vientiane
Updated：2018-08-07 10:18:13 Xinhua
Photo taken on Aug. 4, 2018 shows the entrance of the Lakmun Tunnel of the China-Laos Railway under construction in Vientiane Province, Laos. (Xinhua/Liu Ailun)
Keywords: Lakmun Tunnel Vientiane