Excavation of Thailand’s longest railway tunnel has begun on Den Chai – Chiang Rai – Chiang Khong railway line
Excavation of Thailand’s longest railway tunnel has begun on Den Chai – Chiang Rai – Chiang Khong railway line Richard Barrow’s Thai Train Guide Excavation of what will be Thailand’s longest tunnel has officially begun in northern Thailand. The 6.2 kilometre long tunnel is part of the Den Chai to Chiang Khong railway that is […]
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