Mexico's Maya tourist train glided into action on Friday, promising prosperity for one of the country's poorest regions, but tainted by allegations of environmental devastation.
President Andrés Manuel López Obrador hailed his flagship project as a "magnum opus" built in "record time" ahead of the inauguration during which he boarded one of its green-and-white cars for the train's first run between the colonial city of Campeche and the Caribbean resort of Cancun.
