Topic summaryQinghai-Tibet Railway Expand Summary Extracted from the Wikipedia article Qinghai–Tibet railway. References^ 2023.^ 2024.^ 2024.^ 2024.^ 2024.^ 2009.^^ 2024.^^ 2024.^ 399. doi:10.1017/S0305741004000220. hdl:10453/6047. JSTOR 20192339. S2CID 55915069.^ 2020.^^^^^^ 2008.^ 2010.^ 2014.^ 2020.^^ 2019.^ 2024.^^^ 2020.^^^^^ 2022.^ 2020.^ 2018.^ 2026.^^ 2008.^ 2010.^ 2020.^^^^ Wikipedia source