Construction While in Brazil the São Paulo-Rio high-speed train never materialized, China plans to tunnel 120 km under the sea to connect two cities by rail — 90 km will be underwater, with trains at 250 km/h, and the 8-hour journey will be reduced to 40 minutes. Douglas Avila 23/04/2026 at 00:31
Construction While in Brazil Ferrogrão has been waiting for 40 years, China has drilled through 19 seismic faults and dug a 34 km tunnel under mountains to build the world’s most difficult railway in 14 years… Douglas Avila 18/04/2026 at 18:06
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