Colombia welcomes first Bogota metro train at Cartagena harborbr br Colombia welcomes the arrival of the first Bogota metro train, a six-car convoy that is unloaded at Cartagena's harbor — the first in a series of 30 trains. Built by the China Railroad Rolling Stock Corporation (CRRC) in Changchun, this train is the result of a manufacturing process that began in mid-2024 and lasted around 10 months.