The new July 2023 timetable means that China railways can run more trains to longer destinations faster. So we decided to take a look at how the new timetables, featuring new and faster HSR trains, could be put to the acid test… an extreme timetable acid test. Could you do Beijing-Ürumqi in Xinjiang, Beijing-Lhasa in Tibet, or even across the border from Beijing to Vientiane in Laos in one day — or maximum two?...