Do I need a visa to travel from Kunming to Vientiane?

A visa is required to travel from Kunming to Vientiane. According to inquiries on the official website of the Kunming Municipal Public Security Bureau, Chinese citizens taking the China-Laos Railway international passenger train between Kunming and Vientiane, Laos, need to hold a valid Chinese passport and Laos visa. Kunming, also known as "Spring City", is the capital of Yunnan Province in the Republic of China, the central city of the urban agglomeration in central Yunnan, and one of the important central cities in the western region. It is located in the east and slightly north of central Yunnan Province, with a total area of ??21,000 square kilometers. As of the end of 2021, Kunming has a permanent population of 8.502 million. Vientiane is the capital of the Lao People's Democratic Republic. It is located in the center of Laos. It is one of the few capitals in the world located near national borders. It faces Thailand on the south bank across the Mekong River, and borders Vientiane and Bolikhamxay provinces in the north. Vientiane has a total area of ??approximately 3,920 square kilometers and has 9 regions under its jurisdiction. As of 2021, the total population is approximately 970,000. The local language is Lao.