(201220) -- VIENTIANE, Dec. 20, 2020 (Xinhua) -- Photo taken on Dec. 20, 2020 shows the central control room of the Vientiane-Vangvieng section of the China-Laos expressway in Vientiane, Laos. The Vientiane-Vangvieng section of the China-Laos expressway, the first highway in Laos jointly constructed by the Lao government and China's Yunnan Construction and Investment Holding Group (YCIH), was inaugurated on Sunday. The opening ceremony was held simultaneously in Vientiane, the capital of Laos, and Kunming of southwest China's Yunnan Province, via video conferencing. (Photo by Kaikeo Saiyasane/Xinhua)