The China-Laos Railway started cross-border passenger services on Thursday, a move that is expected to boost regional connectivity.The first passenger train departed from Kunming, capital of southwest China's Yunnan Province, at 8:08 a.m. (Beijing Time), heading for the Lao capital Vientiane.The China-Laos Railway started cross-border passenger services on Thursday, a move that is expected to boost regional connectivity.The first passenger train departed from Kunming, capital of southwest China's Yunnan Province, at 8:08 a.m. (Beijing Time), heading for the Lao capital Vientiane.