How underwater welders risk death to keep bridges and piers standing

Underwater welders have one of the world's riskiest jobs.W e followed welders in Indonesia who dive with minimal protection in polluted waters to build piers for petrochemical plants that are booming across the country.

Underwater welders have one of the world's riskiest jobs. We followed welders in Indonesia who dive with minimal protection in polluted waters to build piers for petrochemical plants that are booming across the country.