XinhuaNet
A drone photo shows the construction site of the Sanya River estuary passage project in Sanya, south China’s Hainan Province, Oct. 12, 2024. The Sanya River estuary passage project undertaken by China Railway 20th Bureau Group is making steady progress. As the first underwater tunnel in Sanya…
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Sanya River estuary passage project makes steady progress
A drone photo shows the construction site of the Sanya River estuary passage project in Sanya, south China’s Hainan Province, Oct. 12, 2024. The Sanya River estuary passage project undertaken by China Railway 20th Bureau Group is making steady progress. As the first underwater tunnel in Sanya…