The light rail transit project on Vietnam's largest island of Phu Quoc is rapidly constructed amid challenging geology and weather conditions.

The light rail transit project on Vietnam's largest island of Phu Quoc is rapidly constructed amid challenging geology and weather conditions.

Phu Quoc's light rail line will run three-car trains at a design speed of up to 100 kph, carrying about 4,500 passengers an hour on what its developer describes as zero-emission…